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AI Services for Writer

AI Services for Writer

Support for article structure, proofreading, and summarization dramatically cuts writing time.Browse 112 AI services to find the tool that best fits your work challenges.

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グラマリー

Grammarly

An AI writing assistant that detects and fixes grammar, spelling, and punctuation errors in English in real time. It also handles tone adjustment, rewriting, generative AI writing, and plagiarism/AI-text detection, usable broadly via browser extensions, desktop/mobile apps, and Microsoft Office and Google Docs. It is English-centric and effectively does not support Japanese proofreading.

# コピーライティング# テキスト生成# 業務効率化# 品質向上・クリエイティブ支援

ノートブックエルエム

NotebookLM（現Gemini Notebook）

NotebookLM (now renamed to "Gemini Notebook") is a Google-built AI research and thinking partner that answers with citations based only on the materials you upload. You can use PDFs, websites, YouTube videos, audio, Google Docs, and more as sources, and the latest Gemini models handle summarizing, question answering, and material creation. Because it limits the basis for its answers to your sources, it curbs plausible-sounding errors and lets you grasp materials quickly, and it can also generate an Audio Overview (podcast-style conversational audio) and slide decks you can download as PDF or PowerPoint. It is free to use, with limits and available models increasing as it is included in Google AI Plus/Pro/Ultra (available in limited regions).

# 要約・翻訳# 検索・レコメンド# 音声生成# 日本語対応

ジェンスパークエーアイ

Genspark AI

An all-in-one AI workspace that automatically produces finished deliverables — slides, sheets, documents and more. It orchestrates multiple AI models and runs agents that handle everything from research to document creation and even AI phone calls.

# 検索・レコメンド# AIエージェント# 日本語対応

ノベルシャフト

NovelShaft

NovelShaft is an AI-assisted novel-writing environment that keeps the manuscript, the manuscript outline, reference material such as characters and world-building, and conversations with AI together in one work. From shaping a fragment into an idea, through drafting and long-form revision, to export as Text, Markdown, DOCX, PDF, or EPUB 3 and publishing, everything happens on one screen, and the design puts the author in charge of what stays in the work: AI changes can be skipped before they are applied. It supports vertical writing, ruby, and read-aloud, handles Japanese and English works, and runs on the Web and iOS (iPhone and iPad). Pricing is a free Free plan (200 AI credits every 30 days) plus monthly Light $15 (4,500 credits), Standard $30 (9,450), and Pro $90 (29,700) plans, with a limited-time $3 Mini plan available until December 16, 2026.

# テキスト生成# アイデア支援／創造ツール# 品質向上・クリエイティブ支援# 日本語対応

ウィスパーフロー

Wispr Flow

Wispr Flow is an AI dictation app that turns what you say into writing you can actually send. It types wherever your cursor is, so it works in Gmail, Slack, Notion, your terminal, ChatGPT — anywhere you can type. It strips out filler words and false starts, adds punctuation and line breaks, and can hold a different tone for each app. It handles 100+ languages including Japanese, and you can teach it proper nouns and jargon through its dictionary. Available on Mac, Windows, iPhone, and Android. There is a free plan, and Pro is ¥960 per user per month as listed for Japan (pricing is shown in local currency). Built by Wispr in San Francisco, which has raised $56M to date.

# 音声認識・音声合成# 音声合成・文字起こし# 議事録作成# 生産性向上# 日本語対応

グランタブル

Grantable

An AI-powered platform for nonprofits and grant professionals that acts as an "AI grants department," handling everything from funder discovery to proposal writing and deadline management. Upload past applications and materials, and its AI learns your organization's information and voice to draft proposals. Beyond writing, it covers funder prospecting/scoring and pipeline management.

# テキスト生成# PDF・文書生成# コピーライティング

スードウライト

Sudowrite

An AI writing tool built specifically for fiction and creative storytelling. Features include Story Bible for developing ideas into chapter outlines, Write for suggesting continuations, Describe for vivid scene-setting, Brainstorm for idea expansion, and Expand for fleshing out prose. Designed as a creative co-author for writers. Interface and optimization are primarily English-focused; Japanese creative writing is not practically supported.

# テキスト生成# コピーライティング# アイデア支援／創造ツール# 品質向上・クリエイティブ支援

ワードチューン

Wordtune

An AI writing assistant strong at rephrasing (paraphrasing) English text. It offers tone-adjusted rewrites, summarization, AI text generation, grammar checking, and 'Humanize' to make AI text sound natural, usable via a browser extension or editor. By AI21 Labs. It is English-centric and effectively does not support Japanese proofreading/rewriting.

# コピーライティング# テキスト生成# 要約・翻訳# 品質向上・クリエイティブ支援

ショドー

Shodo

Shodo, from ZenProducts Inc., is a cloud service that centers on Japanese-focused AI proofreading and brings writing, peer review, and task management together ("your AI editorial department"). It flags typos, mis-conversions, honorific errors, and inconsistent notation in real time, and offers Shodo Copilot sentence-ending completion, AI review, a browser extension, Docs/Word integration, and an API. Pricing: Basic free / Premium ¥1,000 / Max ¥5,000 / Business ¥2,000 per user (tax incl.).

# テキスト生成# 要約・翻訳# 日本語対応

フレイズ

Frase

A platform for researching, writing, and optimizing SEO content that targets both Google ranking and AI-search citation ('the content operating system for AI search'). Beyond top-article analysis, briefs, AI writing, and SEO/GEO scores, it tracks AI Visibility across ChatGPT, Perplexity, and more, plus Content Guard and its own CMS.

# テキスト生成# SEO

エーアイブログクン

AIブログくん

A Japanese blog-automation service that, just by setting your target search keywords, fully automates everything from keyword analysis to generating SEO articles with images, auto-posting to WordPress, and submitting them to Google for indexing. It runs hands-off after setup, with a 3-article free trial.

# テキスト生成# SEO# 日本語対応

カリス

Xaris

Xaris is a pro-oriented AI writing assistant that builds an article outline just by "talking" via voice input (developed by Studio Yurigraph; distributed in Japan by GMO Internet). Answer the AI's questions by voice and a draft foundation forms, with specialized modes for SEO articles, LPs, and proposals, plus material search and table creation. Pricing starts at STARTER ¥1,980/mo (excl. tax), with a free trial (20 requests, no credit card).

# テキスト生成# 要約・翻訳# 日本語対応

ライター

Rytr

Rytr is an affordable AI writing assistant starting from $7.50 a month. Pick from more than 40 use cases such as emails, articles, ads, and social media posts, then generate writing that "doesn't sound robotic and sounds like you" using 40+ languages, 20+ tones, and My Voice, which reproduces your writing style from samples of your own text. It also includes a plagiarism checker, a Chrome extension, and an API, and is used by more than 8 million copywriters and marketers worldwide. The free plan requires no credit card, Unlimited is $7.50/mo, and Premium is $24.16/mo.

# テキスト生成# コピーライティング

フェロ

Felo

Felo, from Japan's Sparticle Inc., is an AI search engine that aggregates key points from multiple sources and answers with citations. It has expanded beyond search into an "AI search + creation" platform with a research agent (Deep Research) and mind-map and slide (PPTX) generation. It is Japanese-first with 15+ languages. Pricing: Free (200 credits/day) / Felo Search Pro ¥2,099/mo (credit-based).

# 要約・翻訳# 検索・レコメンド# 日本語対応

トランスコープ

Transcope

A Japan-made, SEO-focused AI writing tool powered by OpenAI's GPT (by Sharemaru Inc.). Bundles competitor analysis, keyword suggestions, rank checks, and internal-link suggestions, and can learn your company's info via CSV for internal documents. 17,000+ companies to date.

# SEO# テキスト生成# 日本語対応

チャットドック

ChatDOC

A 'chat with PDF' assistant that reads uploaded PDFs, Word files, scanned documents, and more, and answers questions while showing the source (exact passage, page, and table). Its TapSource feature lets you trace answers back to the original, and it understands tables and formulas.

# 要約・翻訳# PDF・文書生成

イージーピージーエーアイ

Easy-Peasy.AI

An all-in-one AI platform that lets you use 40+ AI models (Claude/GPT/Gemini, etc.) for text, images, video, audio, and AI agents under a single subscription. With 300+ templates and brand voice, it covers a wide range of content creation in one place.

# テキスト生成# 画像生成# 音声生成# 要約・翻訳# 日本語対応

ムーンビーム

Moonbeam

An AI writing assistant built for long-form content — essays, articles, blogs, and stories. It offers drafts by its AI 'Luna', a Wizard that turns notes into outlines and paragraphs, a Custom Style Generator, and GPT-4 Smart Chat. Pro is $49/mo (billed yearly).

# テキスト生成

ビデオトゥーブログ

Video To Blog

An AI tool that turns YouTube videos or audio files into SEO/GEO-optimized blog posts with one click. Auto-inserts images, supports multiple languages, and publishes to WordPress and more in one click. Free plan available.

# テキスト生成# 要約・翻訳

オートブログギングエーアイ

Autoblogging.ai

An AI content platform that generates, optimizes, and auto-publishes SEO articles at scale from a keyword or title with one click, and tracks your visibility in Google's AI Overviews. It offers multiple modes, bulk generation of up to 500 articles, and WordPress integration. 35+ languages, with free credits.

# テキスト生成# SEO# 自動化・省力化

インク

INK

[Discontinued] INK (INK for All) was a marketing/SEO AI writing platform, but it has been shut down; its site and app now redirect to the operator's other service, SmythOS. Alternatives include Surfer, Frase, and Transcope.

# テキスト生成# SEO# コピーライティング

スーパーウィスパー

Superwhisper

An AI dictation app from SuperUltra, Inc. (US). It turns what you say into clean text without filler words and pastes it straight into the app you are using, such as Slack, Gmail or Cursor. You can choose between local voice models that run on your device, such as Whisper, and cloud models, and switch writing styles with task-specific "modes" for email, messages and more. On the Mac it also records meetings with speaker labels and summaries, and Pro adds audio and video file transcription. Available on Mac, Windows, iPhone and Android. The Free plan offers unlimited dictation with local Whisper models; Pro costs US$8.49 per month, US$84.99 per year or US$249.99 lifetime.

# 音声認識・音声合成# 音声合成・文字起こし# 議事録作成# 生産性向上# 日本語対応

ペーパーパル

Paperpal

An AI English-editing and academic writing tool for research papers from Cactus Communications, the company behind the English editing service Editage. Trained on professional editors' corrections of academic manuscripts, its AI polishes the grammar and wording of English text into an academic tone, and it brings together plagiarism checks, AI-generated text detection, citation checks, a pre-submission readiness check, literature search across more than 300 million papers with citations (10,000+ citation styles), and translation between 50+ languages including Japanese. It works on the web, as a Microsoft Word add-in, and in Google Docs and Overleaf, with a Japanese interface, payment in Japanese yen and a pay-later option for institutional funds. There is a free plan; Prime costs ¥2,090/month billed annually (¥4,290 month-to-month) and Pro ¥5,060/month billed annually.

# テキスト生成# 要約・翻訳# 品質向上・クリエイティブ支援# 教育# 検索エンジン・RAG# 日本語対応

マッピファイ

Mapify

An AI tool that summarizes PDF, Word, PowerPoint, YouTube videos, web pages, audio, images, and long text into mind maps. Developed by the team behind the mind-mapping software Xmind, with the web version operated by SUPERMIND PTE. LIMITED in Singapore. You can ask AI about the content while viewing the map, expand branches to add ideas, present maps as slides, and export to PDF, Markdown, or SVG. Available on the web, as a browser extension, and as iOS/Android/macOS apps, with maps generated in 31 languages including Japanese. Free plan: 30 credits (one-time); paid plans start at Basic ¥1,599/month as displayed in Japan (¥959/month billed yearly).

# 要約・翻訳# アイデア支援／創造ツール# 生産性向上# 日本語対応

タイプレス

Typeless

An AI voice dictation app from Simply CA LLC (Palo Alto, California). It removes filler words such as "um", repeated words, and self-corrections from what you say, formats lists and steps, and inserts polished text right where your cursor is in Slack, Gmail, ChatGPT, and other apps. It supports 100+ languages, translates as you speak, and lets you rewrite selected text by voice. Available on Mac, Windows, Linux, iOS, and Android. The Free plan has a weekly word limit; Pro is US$12/month billed yearly or US$30 billed monthly.

# 音声認識・音声合成# 音声合成・文字起こし# 要約・翻訳# 生産性向上# 日本語対応

サイダー

Sider

An AI assistant for the browser from Vidline Inc. (US). In the sidebar of its Chrome/Edge extension, web app, and desktop and mobile apps, you can summarize, translate and ask questions about the page, PDF or YouTube video you have open, switching between models such as GPT, Claude, Gemini and Grok and comparing their answers. It also offers Sider Hand, a browser agent that opens real websites to do research and copy-paste work for you, and Sider Code, which reshapes the page you are viewing from plain-language instructions. Free tier available; paid plans from US$10/month (about 17% off with annual billing).

# AIエージェント# 要約・翻訳# 検索・レコメンド# 自動化・省力化# 日本語対応

サイスペース

SciSpace

An AI research assistant for researchers and students from PubGenius Inc. in the US (formerly Typeset). Covering more than 280 million papers across multiple databases, its AI agent handles paper search, literature reviews, data extraction and cited drafts, alongside standalone tools such as Chat with PDF and a citation generator. The interface is in English. Basic is free; Premium is $20/month ($12/month billed annually).

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# テキスト生成# 教育

コンセンサス

Consensus

An AI academic search engine from Consensus NLP (US). It finds relevant studies across more than 220 million peer-reviewed papers and summarizes them with citations, shows how much research agrees on a yes/no question with the "Consensus Meter", and runs literature reviews of up to 50 papers with Deep. Answers can be received in Japanese. Free plan available; Pro is $12/month billed annually.

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# 教育# 日本語対応

ソナファクト

SonaFact

SonaFact is a browser-based AI transcription, meeting-minutes and subtitle service operated by AKINT in Poland. It transcribes recordings and audio/video files in 100 languages, separates speakers automatically and underlines words it is unsure about. Every item in its AI-generated minutes, task lists, summaries and sales-call scorecards links to the matching moment in the recording, and items not tied to the recording are removed automatically. It also exports SRT/WebVTT subtitles with translation into up to 4 languages and files for NVivo, MAXQDA and ATLAS.ti. Processing takes place in the EU and recordings are not used to train AI. There is a free plan (3 files a day, up to 30 minutes each); paid plans start at ¥990 a month billed yearly (tax included).

# 議事録作成# 音声合成・文字起こし# 字幕生成# 要約・翻訳# 音声認識・音声合成# セールス# 業務効率化# 日本語対応

クイルボット

Quillbot

An AI writing assistant from Learneo, Inc. (US) built around AI paraphrasing (formerly styled QuillBot). It combines nine paraphrasing modes plus Custom modes, grammar checking, AI content detection, a Humanizer, plagiarism checking, summarizing, translation and citation generation, and also works through browser extensions, a Word add-in and mobile apps. Paraphrasing and translation support Japanese (grammar checking does not, and the interface is in English). Free plan available; Premium is $19.95/month or $99.95/year.

# コピーライティング# テキスト生成# 要約・翻訳# 品質向上・クリエイティブ支援# 教育# 日本語対応

ケーディーピーブックアイオー

kdpbook.io

kdpbook.io is an AI book studio for Amazon KDP (Kindle Direct Publishing). From a one-sentence idea or your own manuscript (Word, PDF, Markdown or plain text), its AI writes, illustrates and typesets 36 book types, including picture books, coloring books, puzzle books, journals, novels, non-fiction and comics, and applies KDP's trim, margin, bleed and spine rules in code. It exports an interior PDF, a full-wrap cover PDF with back, spine and front in one piece, a Kindle EPUB and a listing sheet. Books can be made in 34 languages including Japanese (the interface is in English). New accounts get 2,000 free credits (no card required; free exports are watermarked and not for sale), and paid plans are Starter $25, Author $49 and Studio $99 per month (excluding tax).

# テキスト生成# 画像生成# PDF・文書生成# 生成AI（LLM）# 品質向上・クリエイティブ支援# アイデア支援／創造ツール

マイクロソフトコパイロット

Microsoft Copilot

An AI assistant from Microsoft, free to use on the web, Windows, and mobile apps, with chat, web-grounded answers, image generation, and voice conversation. The paid consumer plan is Microsoft 365 Premium (JPY 3,200/month, tax included); for business there is Microsoft 365 Copilot integrated into Word, Excel, and Teams (from JPY 4,497/user/month, tax excluded). Full Japanese support.

# 生成AI（LLM）# AIチャットボット# AIエージェント# テキスト生成# 業務効率化# 日本語対応

ディープエル

DeepL

DeepL (pronounced "deep-L", often typed "deep l") is an AI translation service from Germany's DeepL SE. The free tier covers 50,000 characters a month; paid DeepL Pro starts at ¥1,380/month in Japan (tax incl.). Beyond text and document translation it spans DeepL Write for proofreading, DeepL Voice for speech, and the DeepL API. In Japan, monthly billing is ¥1,380 Individual / ¥4,500 Team / ¥9,000 Business per user (¥1,150 / ¥3,750 / ¥7,500 as the annual monthly equivalent). Paid plans include 30 minutes of DeepL Voice per user per month, and since September 2026 DeepL also works inside Copilot, ChatGPT and Claude via MCP.

# 要約・翻訳# テキスト生成# 業務効率化# 生産性向上# 日本語対応

パープレキシティ

Perplexity

An AI-powered answer engine that searches the latest information across the web from a single question and answers with sources (citations). Switch among high-performance models like GPT, Claude, and Gemini, and use Deep Research for deeper investigation, the "Comet" AI browser, and agents that autonomously run tasks. Fully supports Japanese.

# 検索・レコメンド# 検索エンジン・RAG# AIエージェント# 要約・翻訳# 生成AI（LLM）# 日本語対応

ジェミニ

Gemini

Gemini is an AI assistant provided by Google. Built on Gemini models (Flash-Lite, Flash, and Pro, plus Gemini 4 Argon—the latest model, launched October 13, 2026—on AI Pro and Ultra), it runs question answering and writing plus Deep Research, Gemini Live (voice), Canvas, and image/video generation in a single app. It integrates deeply with Google services such as Gmail, Google Docs, Search, Google Flow for video generation, and Gemini Notebook for research support. Pricing: free (Flash-Lite only from October 9, 2026), Google AI Plus ¥725 (up to Flash) / Pro ¥2,900 (up to Pro) / Ultra ¥14,500– (monthly).

# 生成AI（LLM）# AIチャットボット# 要約・翻訳# テキスト生成# AIエージェント# 日本語対応

チャットジーピーティー

ChatGPT

ChatGPT is an AI assistant provided by OpenAI, the conversational service at the center of the generative AI boom. Since October 2026, Chat runs on GPT-6 (GPT-6 Sol on paid plans, GPT-6 Luna on Free and Go), and the new Intelligent UI builds charts, buttons, forms, and small tools into answers. With the Chrome extension, Chat can read your open tabs and Work can operate them to fill out forms, send messages, and download files (all plans). In ChatGPT Work and Codex, you can also choose GPT-6.1 Sol (September 2026) and GPT-6.1 Terra (October 26), which excels at reading images and computer use and costs half as much as Sol on the API (input $1 / output $5 per 1M tokens) (Plus and above). ChatGPT Slides lets you create and co-edit decks in real time (Pro, Business, Enterprise). It also offers Deep Research, image generation, data analysis, voice conversation, and a coding agent (Codex), plus projects, scheduled tasks, custom GPTs, and workspace agents. Pricing is free / Go ¥1,400 / Plus ¥3,000 / Pro ¥16,800– (individual, monthly), with Business and Enterprise for organizations.

# 生成AI（LLM）# AIチャットボット# 要約・翻訳# テキスト生成# AIエージェント# 日本語対応

クロード

Claude

Claude is an AI assistant provided by Anthropic. It emphasizes long-context understanding and safety and reliability, with strengths in writing, summarizing, analysis, and coding. You can use the latest Claude models (Opus/Sonnet/Haiku) as suited to the task, and it includes Artifacts for generating and editing on the spot, Projects for gathering documents, Claude Code for developers, and MCP for connecting to external tools. Pricing is Free $0 / Pro $20 (annual $200) / Max $100 (formerly Max 5x) / Ultra $200 (formerly Max 20x; no 5-hour limit for verified accounts), with Team and Enterprise also offered. Since October 2026, Max, Ultra, and Team include monthly API credits (Max $100 / Ultra $200; Team up to $500).

# 生成AI（LLM）# AIチャットボット# 要約・翻訳# テキスト生成# AIエージェント# 日本語対応

キャンバ

Canva

Canva is an all-in-one online design platform that lets you create any kind of design by drag and drop, even with no design knowledge. You can create more than 1,000 kinds of designs such as presentations, social media posts, videos, and flyers from a rich library of templates and assets. Canva AI handles generation and editing, and since October 2026 all users can generate images with Canva Craft, Canva's first in-house image generation model (also available via API). With Affinity integrated, you can handle everything from creation to collaborative editing, printing, and brand management in one place. Pricing includes a free plan as well as Canva Pro at ¥11,800/year and Business at ¥18,800/year (per person, billed annually), among others.

# デザイン生成# 画像生成# プレゼン・スライド生成# テキスト生成# 日本語対応

キミ

Kimi

Kimi is an AI chat and agent service from Beijing-based Moonshot AI. Its flagship model Kimi K3.1 Pro (announced October 24, 2026; 1M-token context; weights due by November 4) handles slide creation, Deep Research, coding, and 3D creation. There is a free plan, paid plans start with Plus at $19/month, and the K3.1 Pro API costs $2 input / $10 output per 1M tokens. The web version has a Japanese display.

# 生成AI（LLM）# AIチャットボット# テキスト生成# コード生成# AIエージェント# API・SDK

リモボイス

Rimo Voice

Rimo Voice is a Japanese-focused AI meeting minutes and transcription service from Rimo LLC (Ebisu, Tokyo). A recording bot automatically joins Zoom, Teams, Google Meet, and Webex meetings, then handles transcription with speaker separation and AI summaries in 60+ languages. ISO27001/27017 certified, data stored in Japan and never used for AI training. Pricing (tax incl.): Transcription ¥1,650/mo, Pro ¥4,950/mo, Team ¥6,600/mo per account; Enterprise plan by quote. Used by 250,000+ accounts in Japan.

# 議事録作成# 音声合成・文字起こし# 要約・翻訳# 業務効率化# 生産性向上# 日本語対応

クウェン

Qwen

A family of large language models from China's Alibaba (Qwen / Tongyi Qianwen) and its conversational AI, Qwen Chat (Qwen Studio). The current flagship is Qwen3.8-Max. Multimodal across text, image, and video, it offers chat, image and video generation, web search, and code generation for free. Many models are open source; Japanese is supported.

# 生成AI（LLM）# AIチャットボット# テキスト生成# 画像生成# コード生成# 日本語対応

ミストラル

Mistral

The conversational AI assistant 'Vibe' (formerly Le Chat) from France's Mistral AI. Beyond writing, summarizing, translating, and coding, one environment offers web search, image generation, PDF/document analysis, Deep Research, voice input, memory, and a coding agent. Mistral AI develops open-weight and commercial LLMs. Supports Japanese input/output.

# 生成AI（LLM）# AIチャットボット# テキスト生成# 要約・翻訳# AIエージェント# 日本語対応

マナス

Manus

A general-purpose autonomous AI agent that, from just a goal, plans, executes, and verifies on its own in the cloud and delivers research, documents, websites, apps, and more as finished 'deliverables.' It completes tasks in a sandbox (including its own browser control and code execution), and supports Wide Research, scheduled tasks, and 40+ external-app integrations (MCP).

# AIエージェント# 生成AI（LLM）# 自動化・省力化# 業務効率化

グロック

Grok

A conversational AI assistant from xAI (led by Elon Musk). Its hallmark is answering with real-time, up-to-the-minute information via its integration with X (formerly Twitter). Beyond writing and coding, it offers web search, image and video generation ('Grok Imagine'), a voice mode, vision, and autonomous agent features. Supports Japanese.

# 生成AI（LLM）# AIチャットボット# テキスト生成# 画像生成# AIエージェント# 日本語対応

ジャスパー

Jasper

Jasper is an execution platform built for marketing teams (from Jasper AI, Inc.). It has grown from an AI writing tool into a marketing execution platform equipped with over 100 specialized AI agents, content pipelines, and Jasper IQ, which retains brand context. From GEO/SEO to personalization and multilingual content, it lets you produce content quickly and at scale while keeping the brand consistent. Pricing is Pro at $59/month (annual) or a custom Business plan, with a free trial available.

# コピーライティング# SEO# テキスト生成# AIエージェント

コピードットエーアイ

Copy.ai

Copy.ai is an "AI-native GTM platform" that embeds AI across the entire sales and marketing (GTM) workflow. It has evolved from a former AI copywriting tool into a platform that runs everything from prospecting to content creation and deal support on a single foundation. With Workflows, Actions, Agents, Tables, Chat, and more it standardizes and automates processes, supporting 2,000+ integrations and being LLM-agnostic. Pricing includes the self-serve Chat plan at $29/mo and Enterprise (credit-based, demo required). Used by more than 17 million people worldwide.

# コピーライティング# SEO# テキスト生成# AIエージェント

ミッドジャーニー

Midjourney

Midjourney is an AI image generation service known for its distinctive, beautiful aesthetic. It generates high-quality, highly artistic images from text prompts and has added video generation in recent years. Previously centered on Discord, it can now also be used from a web app. With stylize, personalization, variations, and upscaling you can hone in on the aesthetic you want, and it offers generation modes such as fast and relax. Pricing is generally Basic $10/Standard $30/Pro $60/Mega $120 (approximate monthly figures; check the latest after logging in).

# 画像生成# デザイン生成

ノーション

Notion

An all-in-one AI workspace that combines docs, wikis, projects, and databases with deeply integrated AI — including cross-app Q&A, AI meeting notes, and autonomous agents. On Business and up, you can connect a ChatGPT subscription (Plus, Pro, or Go) and use it for AI at no extra charge.

# テキスト生成# 要約・翻訳# ノーコード自動化# 通知・タスク連携# 業務効率化# 日本語対応

ディファイ

Dify

Dify is an open-source LLM app development platform for building, deploying, and operating AI apps, agents, and workflows with no-code/low-code. You can assemble chatbots, RAG, and multi-step workflows visually, and switch between the major providers' models. It supports both a cloud edition and self-hosting (OSS). Cloud pricing is Sandbox free / Professional $590 per year / Team $1,590 per year / Enterprise custom (17% off with annual billing), and the self-hosted Community edition is free.

# AIチャットボット# AIエージェント# ノーコード自動化# API・SDK# 業務効率化# 日本語対応

グーグルエーアイスタジオ

Google AI Studio

Google AI Studio is Google's developer platform to try the Gemini models in the browser, build and deploy AI apps, and get a Gemini API key. It's organized around Build (app generation), Chat, Stream, and Generate Media (image/video/audio), and offers the Gemini 3 family, Nano Banana image, Veo video, and more. AI Studio itself is free; the API is usage-based with a free tier. Note: on the free tier input is used to improve products; on the paid tier it is not.

# 生成AI（LLM）# AIモデル構築・管理# API・SDK# AIエージェント

ステーブルディフュージョン

Stable Diffusion

A family of open-weight image-generation AI models developed by Stability AI. The current flagship is Stable Diffusion 3.5 (Large / Large Turbo / Medium). You can download the weights for free and run them locally (GPU required), and it is also usable via the official API, DreamStudio, ComfyUI, and more. Under the Community License, commercial use is free for under $1M in annual revenue (prompts are mainly in English).

# 画像生成# 生成AI（LLM）# アイデア支援／創造ツール# 日本語対応

レオナルドエーアイ

Leonardo.Ai

Leonardo.Ai is a creator-first generative AI platform that brings images, video, design, and motion together under a single subscription. Images can be generated with models such as Lucid (Origin/Realism) and Phoenix, and video with Motion, Hailuo, Wan, and others, with support for editing in Realtime Canvas, training your own custom AI model, and a Developer API. Part of the Canva family, its Essential plan is included with Canva Business. Pricing runs Free $0 / Essential $12 / Premium $30 / Ultimate $60 (monthly, token-based), with up to 20% off on annual billing.

# 画像生成# デザイン生成

ポー

Poe

An AI platform by Quora that lets you use every major frontier model — GPT-5 series, Claude, Gemini, Grok and more — under a single subscription. It also supports image/video generation and custom bot creation, making it ideal for comparing and switching between models.

# AIエージェント# 検索・レコメンド# 日本語対応

アドビファイアフライ

Adobe Firefly

Adobe Firefly is Adobe's all-in-one generative-AI creative studio for planning, generating, editing, and finishing images, video, and audio in one place. Beyond Adobe's own Firefly models (Image Model 5 and more), you can use 30+ models from Google, OpenAI, Flux, Kling, and others in one app. Adobe's own models are commercially safe with C2PA credentials and enterprise IP indemnification. Pricing: Free (daily free generations) / Firefly Standard from ¥1,580/mo (incl. tax), with Photoshop and more integration.

# 画像生成# デザイン生成# 生成AI（LLM）# 日本語対応

モニカ

Monica

Monica, from Butterfly Effect (maker of Manus), is an all-in-one AI assistant that lets you switch among multiple cutting-edge AI models on one subscription. It crosses the GPT-5, Claude 4, and Gemini 3 families plus image/video and coding models, covering chat, search, summarize, translate, and image/video generation, with an AI agent, Deep Research, a browser extension, desktop, and mobile. Pricing: Free / Pro / Max (formerly Unlimited) / Ultra (USD; accounts are for individual use).

# AIエージェント# 検索・レコメンド# 日本語対応

ナノバナナ

Nano Banana

The nickname for Google (DeepMind)'s Gemini image generation & editing model. Nano Banana = Gemini 2.5 Flash Image; Nano Banana Pro = Gemini 3 Pro Image, strong at character-consistent conversational editing, multi-image fusion, and in-image text. Available via the Gemini app, AI Studio, and the Gemini API, with a SynthID watermark on generated images.

# 画像生成# 自動化・省力化# 品質向上・クリエイティブ支援# 日本語対応

アンチグラビティ

Antigravity

Google's agent-first development platform where AI agents autonomously plan, execute, and verify across editor, terminal, and browser. Now Generally Available as a family of Antigravity 2.0 (Agent Manager)/CLI/SDK/IDE. Choose Gemini 3.x, Claude 4.6, GPT-OSS, and more; free for individuals (macOS/Windows/Linux).

# コード生成# 画像生成# デザイン生成# AIエージェント# 生産性向上# 品質向上・クリエイティブ支援

ノートスライド

NoteSlide

NoteSlide is a slide conversion service from Codia Tech, LLC in the United States. It analyzes PDFs and image slides exported from NotebookLM (now Gemini Notebook) with "Codia AI Vision" and outputs a .pptx in which headings, body text and shapes have been rebuilt as editable PowerPoint elements. The exported file opens directly in PowerPoint, Keynote and Google Slides. It recognizes 109 languages including Japanese, and the site can be switched to Japanese. Beyond conversion, the same screen offers Generate Slides, which builds a deck from a brief or your own files, and Redesign Slides, which rebuilds an existing deck under one template. The Free plan includes 5 credits per month (1 credit = 1 output slide); paid plans start at $20/month for Starter, or $12/month billed yearly, both before tax (as of September 2026).

# スライド作成# プレゼン・スライド生成# PDF・文書生成# 業務効率化# 日本語対応

ミライホンヤク

みらい翻訳

High-security AI machine translation from Mirai Translate, Inc., an NTT DOCOMO Group company. The enterprise "Mirai Translate FLaT" offers unlimited-volume, unlimited-seat plans (from 250,000 yen/month, tax excl.) across 20 languages, while "Mirai Translate Plus" for individuals has a free plan and paid plans from 550 yen/month (tax incl.). Translation data is never reused, with ISO27017 certification and a SOC 2 report.

# 要約・翻訳# 業務効率化# 生産性向上# 日本語対応

リテラ

BringRitera

BringRitera (Ritera) is a Japanese "SEO/LLMO platform" from BringFlower Inc. Built around AI writing, it unifies generative-AI mention tracking (LLMO), search-rank tracking, and image generation in one place. Its core "LLMO Compass" measures daily whether and where your brand (and competitors) are mentioned across ChatGPT, Gemini, Claude, Perplexity, Google AI Overviews, and AI Mode, and visualizes which URLs the AIs cited, the search keywords used, and branded-search trends. It also tracks Google/Yahoo!/Bing rankings and AI Overviews presence/citation at an industry-low ¥0.38+ per keyword, plus high-quality AI writing (switchable ChatGPT/Gemini/Claude) and image generation with 168 templates (Nano Banana 2 and more). Pricing starts from a free plan, with paid plans from ¥2,970/mo (tax included, annual billing). No. 1 in ITreview satisfaction (4.9/5), and the only SEO pick in Nikkei's "55 AI startups to watch."

# LLMO・GEO（生成AI検索最適化）# マーケティング# テキスト生成# 生成AI（LLM）# 業務効率化

サマリー

Sumarii

An AI transcription and meeting-minutes service designed for spoken Japanese. It handles microphone recording, audio and video files, media URLs, and meeting-bot invites to Zoom, Google Meet, and Microsoft Teams, taking you from a transcript with speaker labels and timestamps all the way to a templated AI summary on a single screen. Its distinguishing feature is that you can fix broken proper nouns on the spot — via a "words that need checking" list of low-confidence terms and natural-language edits through AI chat. Audio, transcripts, and minutes are stored in Japan and are never used to train AI (zero retention). Up to 3 hours a month is free with no credit card required, with every feature available.

# 議事録作成# 音声合成・文字起こし# 音声認識・音声合成# 要約・翻訳# 業務効率化# 生産性向上# 日本語対応

ミリキャンバス

MiriCanvas

A browser-based graphic design tool from Korea's MIRIDIH (a "Korean Canva"). With 530,000+ templates and drag-and-drop, you can create presentations, social posts, video, posters, logos and print. Its AI features are branded "miricle" (AI presentation, AI image generation, background removal, etc.). Commercial use is allowed even on the free plan with no watermark; Japanese UI; 18M+ cumulative users.

# デザイン生成# 画像生成# プレゼン・スライド生成# テキスト生成# 日本語対応

アラゴン・エーアイ

Aragon.ai

US-based Aragon AI's tool that generates professional-quality headshots (profile photos) from selfies. From six selfies the AI learns a model of you and generates dozens of photos with varied outfits, backgrounds, and lighting in as little as 15 minutes—no studio needed—for LinkedIn or ID photos. Over 40 million have been generated.

# 画像生成# デザイン生成# バーチャルヒューマン# エンタメ／ゲーム・遊び# 日本語対応

ライトソニック

Writesonic

Writesonic is an "AI Search Growth Engine" (GEO/SEO platform) that measures your visibility across AI search surfaces such as ChatGPT, Gemini, and Google AI Overviews and improves it through content and technical work so your brand gets recommended and cited. Reinvented from its earlier AI writing tool (Chatsonic), it pinpoints which prompts get competitors recommended, fixes the gaps with AI articles and AI agents (Action Center), and demonstrates the impact all the way through to traffic, pipeline, and revenue. It is used by more than 10,000 marketing teams worldwide. Pricing starts at Starter $79, Basic $199, and Growth $399 (per month, billed annually) and more, with a free trial that requires no credit card.

# LLMO・GEO（生成AI検索最適化）# SEO# マーケティング# AIエージェント# コピーライティング

プレイグラウンドエーアイ

Playground AI

An AI design studio for creating logos, T-shirts, stickers, posters, social images and more from text (pivoted from a former general image-generation AI). Founded by Suhail Doshi (co-founder of Mixpanel). Alongside its own PGv3 model you can choose Nano Banana or GPT Image 2, with templates and non-destructive editing. Pricing is credit-based from Free to Pro Plus $45. The old playground.com domain is consolidated into playgroundai.com.

# 画像生成# アイデア支援／創造ツール

アドクリエイティブドットエーアイ

Adcreative.ai

A marketing platform that uses AI to generate conversion-focused ad creatives (banners, copy, video) and product photos, and scores creatives before launch alongside competitor analysis. Acquired by Appier in 2025. With ad-account integration and a compliance checker, it supports ad operations end to end.

# デザイン生成# マーケティング

テイラーブランズエーアイ

Tailor Brands AI

An all-in-one platform for starting a business — US company (LLC) formation and compliance, bookkeeping, and AI logo/branding. It now leads with formation (AI assistant 'Navi'). Note: formation services are US-only; logos are free to design, high-res download is paid.

# デザイン生成# 業務効率化

マジックイレイサー

Magic Eraser

Magic Eraser is a free AI image-editing tool from Magic Studio (aarzoo, Inc.) that removes unwanted objects, people, and photobombs by brushing over them and erasing in one click. It supports JPG, PNG, HEIC and more, needs no sign-up, and allows commercial use when you respect copyright. The paid Pro unlocks watermark-free, high-resolution downloads and bulk editing of up to 50 images.

# 画像生成# 日本語対応

ナイトカフェ

NightCafe

An AI art platform that brings the latest image and video generation models—Flux, DALL-E 3, Nano Banana, Veo—together in one place, with a community and daily challenges for sharing work. Commercial use is allowed even on the free plan.

# 画像生成# アイデア支援／創造ツール

ノーラング

NoLang

Mavericks Inc.'s made-in-Japan AI video generator. Enter text, a URL, or a PDF, and the AI analyzes it and auto-generates a video with an avatar narrating the explanation in seconds. Strong for education, training, manuals, and inbound PR in addition to vertical shorts; supports 18 languages and a Chrome extension. Over 200,000 registered users.

# テキスト生成# 動画生成# 日本語対応

ロバート

Lovart

Lovart is "the world's first AI design agent," generating everything from logos, posters, and packaging to ads and video from a single sentence. On an infinite canvas it chains multiple cutting-edge image/video models (Nano Banana, GPT Image, Flux, Veo, Sora, etc.) to carry work from planning to a full set of designs. It has a Brand Kit and PSD export, and a Japanese UI. Credit-based pricing: Starter from ¥2,945/mo / Basic / Pro / Ultimate (free trial available).

# デザイン生成# 画像生成# 動画生成# 音声生成# 音楽生成# アイデア支援／創造ツール# 品質向上・クリエイティブ支援# AIエージェント

サーファー

Surfer

A content-optimization platform (Positive Surfer) that optimizes content to search intent to be chosen in both Google and AI search. It offers a Content Editor with Content Score, SERP analysis, and the Surfer AI writer, plus an AI Tracker for mentions in ChatGPT, Perplexity, and more. From $49/mo (annual).

# SEO# マーケティング# コピーライティング

フォトグラファーエーアイ

Fotographer.ai

Fotographer.ai is a generative-AI / API service specialized in "AI product photography" for e-commerce and marketing. Using its proprietary ZenInpaint technology, it automates compositing into new scenes, background swaps, and multi-product layout composition while faithfully preserving the pixels, shape, and brand of the actual product image. It offers three modes — scene generation, inpainting, and background composition — along with a developer API and SDK, delivering large-scale product-visual production that replaces 3D rendering and physical photo shoots. Fotographer.ai partners with Cylindo, part of the Chaos group behind V-Ray. Pricing includes Starter ¥2,000, Creator ¥4,980, and Premium ¥9,980 (monthly) among others, and the service originates in Japan.

# 画像生成# デザイン生成# 品質向上・クリエイティブ支援# マーケティング# 小売・EC

ピックコパイロット

Pic Copilot

An AI content-creation tool for e-commerce sellers to make product images, videos and ad creatives. Operated by Neuralnetics, a Singapore company in the Alibaba International (AIDC) group. Beyond background removal, AI backgrounds, virtual try-on and image translation, it now generates product videos and product pages for Amazon/Shopify, plus a natural-language PicCopilot Agent. Japanese UI, free plan (Pcoins credits). Used by 1.5M+ sellers.

# 画像生成# デザイン生成# 品質向上・クリエイティブ支援# マーケティング# 小売・EC

アートフローエーアイ

artflow AI

An AI avatar app: train an Actor on photos of your own face, then generate consistent images and videos of yourself from templates or prompts—your own content, no photographer required.

# 画像生成# バーチャルヒューマン

フレアエーアイ

FlairAI

FlairAI (Flair), from Flair AI in the US, is an AI design tool that generates pro-quality product photos, on-model shots, and even product videos just by dropping in a product image. It has expanded from background generation into a studio for e-commerce visuals spanning on-model photography, ad creative, and brand-specific custom-model training. Pricing: Free / Pro $8 / Pro+ $26 (commercial license) / Scale $38+ / Enterprise, with real-time team co-editing.

# デザイン生成# 画像生成

ジェンクラフト

Gencraft

A consumer 'AI Studio' (Gencraft, LLC) that generates images and video from text and handles editing, FaceSwap, and custom model training. Many styles, with iOS/Android apps. Free generations are non-commercial (CC BY-NC 4.0); commercial use needs a paid plan.

# 画像生成

キャッチー

Catchy

Catchy is one of Japan's largest AI writing assistant tools, provided by DigitalRecipe Inc. Powered by ChatGPT, it lets you quickly generate writing that fits your purpose simply by choosing from 100+ purpose-specific tools for ad copy, articles, documents, emails, brainstorming, and more. It has surpassed 90,000 members and has been featured on NHK, Nippon TV, TBS, and other outlets. Pricing runs from Free ¥0 / Starter from ¥3,000/mo / Pro ¥9,800/mo (unlimited use) / Enterprise, and you can start free with no credit card registration required.

# コピーライティング# テキスト生成# マーケティング# 日本語対応

コミックコパイロット

Comic-Copilot

An AI assistant that acts as a "consultation partner" for manga creation. Developed by alu Inc. drawing on the expertise of Shueisha's "Shonen Jump+" editorial team, it helps with coming up with themes and plots, fleshing out characters, adjusting and rephrasing dialogue, impressions and feedback, and even encouragement—all as a sounding board. It doesn't draw for you and is free to use (login with a Jump Rookie! / Manga no account required).

# テキスト生成# 画像生成# 日本語対応

プロンプティチュードドットアイオー

Promptitude.io

A prompt management platform to develop, test, and manage prompts across multiple AI providers (OpenAI, Anthropic, Google, Bedrock, etc.) in one place — share with a team and embed into your apps and workflows. Includes no-code Flows, RAG-style document grounding, and API. Free tier available.

# テキスト生成# コード生成# ノーコード自動化

ストックイメージエーアイ

STOCKIMG.AI

An AI design/content-generation platform (STOCKIMG AI, INC) that generates logos, stock photos, illustrations, social posts and videos from text, then edits and schedules posts to social media. From background removal, 4x upscaling and canvas editing to scheduled posting across multiple social accounts, end to end. Pricing Starter $12 / Premium $24 / Ultra $48; API; commercial use. 3.5M+ users.

# 画像生成# デザイン生成

オーディオリード

Audioread

A UK-based TTS service that converts text such as articles, PDFs, emails and RSS feeds into natural AI audio you can listen to as "your own private podcast" (formerly Audioblogs). It turns the audio into a private podcast feed you can play in your usual app such as Apple Podcasts or Spotify. 150+ languages and ~1,000 voices. Free to Pro $9.99/mo.

# 音声生成# 要約・翻訳

ピックワンダフルエーアイ

PicWonderful AI

[Official site down / unavailable as of 2026] An online AI photo-editing tool that could remove backgrounds, sharpen photos and colorize black-and-white images. It was operating until at least around April 2026 but has since stopped (operator and pricing unknown). Similar needs can be met with Fotographer.ai, Adobe Firefly and others.

# 画像生成# デザイン生成

アナキンエーアイ

Anakin AI

An all-in-one AI platform that combines chat across many AI models, 1,000+ pre-built AI apps, and a no-code AI app/workflow builder. From text with GPT/Claude/Gemini to image, video, and voice generation, plus automation and agents, all at low cost.

# テキスト生成# 画像生成# 音声生成# 動画生成# AIエージェント# 日本語対応

ツムギ

tsumugi

tsumugi Inc.'s Japanese-focused SEO/AIO article generation AI that automates research through article generation and CMS posting from just a theme. It researches across the web, YouTube and news, writes articles mindful of SEO and generative-AI search (AIO/LLMO), and auto-posts to note and WordPress (in under 10 minutes, per the company). It uses Claude Sonnet 4.5, with monthly credit-based pricing (Lite from ¥9,800).

# テキスト生成# SEO# 自動化・省力化# マーケティング# 日本語対応

クイックデザイン

QuickDesign

QuickDesign is an AI ad studio (built by an independent team in Istanbul) for creating high-performing ad creative end to end. It handles competitor-ad research, brand extraction, mass-producing static ads from 10,000+ templates, generating UGC avatar videos, and publishing to and analyzing on Meta all in one platform, designed for performance marketers and DTC operators. Sign-up starts from Start for $1.

# 画像生成# デザイン生成# 品質向上・クリエイティブ支援# マーケティング# 小売・EC

イージーエディット

EasyEdit

EasyEdit is an open-source AI image editor where you upload an image and just type an instruction, and AI handles background changes, adding/removing objects, and style transfer (built by Nutlope). It uses the Flux 2 image model via Together AI, and works free with no account and no watermark. The UI is in English; you can optionally set your own Together API key.

# 画像生成

セイゲツ

SEIGETSU

An ideation-focused AI (formerly monju) where multiple AIs (currently 5 models) generate ideas in parallel from one theme, organized via five frameworks — mind map, mandala grid, SCAMPER, SWOT/TOWS. Exports to pptx/png/md. Paid tier currently suspended pending official release.

# 画像生成# 業務効率化# 生産性向上# プレゼン・スライド生成# スライド作成

チャチャ

Chacha

An AI creation community (formerly Anirole; now chacha-ai.io) where you build your own AI characters and enjoy chat/roleplay plus anime-style illustration generation. Adult-leaning, centered on romance and character conversation, with posting/browsing. USD-denominated diamond credits.

# AIチャットボット# ボイスボット# 品質向上・クリエイティブ支援# アイデア支援／創造ツール# エンタメ／ゲーム・遊び# 日本語対応

ライトスクライブ

LiteScribe

LiteScribe is an AI transcription and meeting-notes service that turns meetings, interviews, and video audio into text and automatically generates AI summaries, topic tags, and action items. No recording bot joins the call: the app captures your computer's system audio directly on your own machine, so nothing shows up in the participant list and — since no meeting URL is needed — in-person conversations are recorded exactly the same way. The desktop builds (Windows, macOS, Linux) add an offline mode (Pro and Business plans) that runs both transcription and AI summarisation on your own computer. Transcription covers 100+ languages and the interface is available in 15 languages including Japanese, with speaker diarization, PDF/DOCX/SRT export, and an AI chat that answers with citations and timestamps. Pricing starts with a permanent free tier of 120 minutes a month with no credit card, and paid plans from US$7.95 per month billed annually. When offline mode is not used, cloud transcription is performed by AssemblyAI in the United States.

# 議事録作成# 音声合成・文字起こし# 音声認識・音声合成# 要約・翻訳# 字幕生成# 業務効率化# 生産性向上# 日本語対応

ウィスク

Whisk

An experimental image-generation tool from Google: drag & drop subject, scene and style images and Gemini captions them while Imagen generates new images. It is now integrated into the successor AI creative studio "Google Flow," and the old URL redirects to Flow. In Flow you can use Nano Banana for images and Veo 3.1 for video.

# AIエージェント# ノーコード自動化# 通知・タスク連携# 業務効率化# 日本語対応

プロンプトラボ

Prompt Lab

[Appears to be discontinued] A Japan-made platform for designing and sharing prompts for generative AI, provided by Walkers, Inc. Its official domain (prompt-laboratory.com) no longer resolves via DNS and cannot be reached. This page summarizes available alternatives.

# テキスト生成# コード生成# 日本語対応

ビジュアルエレクトリック

Visual Electric

Visual Electric was a tool that let designers generate and edit AI images on an infinite canvas, but in October 2025 Perplexity acquired its team and the service was wound down over roughly 90 days (ending in early 2026). Users were offered data export and prorated refunds on their subscriptions, and the development team joined Perplexity. This page summarizes how the shutdown came about, the handling of data, and routes to alternative services (Leonardo.Ai, Krea, Recraft, Perplexity, and others).

# 画像生成# アイデア支援／創造ツール

イメージエフエックス

ImageFX

Google's text-to-image tool, now integrated into "Google Flow" (an AI creative studio). Image generation runs on Nano Banana / Nano Banana Pro and video on Veo 3.1 / Gemini Omni. Free to start with a Google account (50 daily credits even on free), with Japanese prompt support. A SynthID watermark is embedded in outputs.

# 画像生成# 日本語対応

クラウドワークスエーアイ

クラウドワークス AI

[Service discontinued on June 30, 2026] CrowdWorks AI (formerly OrderMaid AI), offered by CrowdWorks, Inc., was a subscription platform bundling AI tools for writing, image generation, and transcription. Aimed at freelancers and individuals, it offered 330+ text-generation tools and more, but ended all services on June 30, 2026. See the official notice for refund and data details.

# テキスト生成# 画像生成# 業務効率化# 自動化・省力化# 日本語対応

シーンミキサー

SceneMixer

SceneMixer is an AI filmmaking tool that reads a pasted novel or script for its characters, settings and episode structure, then creates character concept sheets, an editable storyboard and voiced video for each shot, finishing them as short dramas, series or films. Concept sheets keep faces and costumes consistent across episodes, dialogue comes in 15 languages, and both 16:9 and 9:16 are supported. Video is generated with models chosen from Wan, Seedance, Kling, MiniMax and others. Japanese interface available. Pricing is credit-based: 50 free credits on sign-up, memberships from $7.99 a month and credit packs from $1.49 (as of November 2026).

# 動画生成# 音声生成# 品質向上・クリエイティブ支援# 日本語対応

タックプラス

Tack+

Tack+ is a notch app for the Mac from Pensa Corporation in Canada, developed in France. A panel that opens from a line at the edge of the screen brings together fifteen apps and nine widgets, and its AI features are an assistant that runs on the Mac (Qwen3.5 4B, with 40 actions; requests are not sent to any AI service and it waits for approval before moving or deleting files or sending messages), dictation that writes into any app (nine languages including Japanese), and call transcription and summaries with no bot in the meeting. It supports a Japanese interface and requires macOS 14 or later. The price is US$4.99 a month after a 3-day free trial (as of November 2026).

# AIエージェント# 音声合成・文字起こし# 議事録作成# 生産性向上# 日本語対応

フリップエイチティーエムエルファイブ

FlipHTML5

FlipHTML5, provided by Wonder Idea Technology of Hong Kong, turns PDFs, Word and PowerPoint files, and images into page-flipping digital books (digital catalogs and brochures) that you can publish and embed on the web. It includes an AI eBook Generator that builds an outline and layout from a topic or a PDF/Word file, an AI chatbot that answers readers from a published book's content, an AI assistant for polishing, translating, and generating images, and an MCP server for creating and managing books from AI assistants such as ChatGPT. Japanese is supported. Pricing: Free (¥0, 5 books a day, 500 AI points/month) / Pro ¥2,180/month (¥1,808/month billed annually) / Platinum ¥5,100/month / Enterprise ¥14,500/month, plus AI Plus for AI eBooks at ¥3,280/month (¥2,290/month billed annually).

# PDF・文書生成# デザイン生成# テキスト生成# 画像生成# AIチャットボット# マーケティング# 日本語対応

エアパルス

AirPulse

AirPulse is an AI search (AEO/GEO) platform from the team behind the online events platform Airmeet (Airmeet Networks Private Limited, India, and Airmeet Inc., US). It asks buyers' questions on ChatGPT, Perplexity, Google AI and other engines every day and measures, against competitors, whether your brand is named and your pages are cited. Drafts for the questions you are missing, a 0–100 GEO audit with re-verified fixes, publishing through a WordPress plugin and re-runs after publishing all happen in one loop. It also offers an MCP server and a managed service. English only. Pricing: Starter $89, Growth $179 and Pro $399 a month, Enterprise custom, with a 14-day free trial (no card).

# LLMO・GEO（生成AI検索最適化）# SEO# マーケティング# AIエージェント# コピーライティング

アムニス

Amnis

Amnis is an AI dictation app: hold a key and speak, and clean text — with filler words and self-corrections removed — is typed straight into wherever your cursor is. It works in any app, from email and Slack to documents, automatically switches between personal, work and email writing styles depending on the app, and offers a custom vocabulary, Smart Inserts for spoken shortcuts to saved snippets, and voice requests to reply, rewrite, translate or summarize. It runs on Mac, Windows, iPhone and Android, and on Apple silicon Macs dictation works even without an internet connection. The free plan has unlimited dictation (AI formatting up to 2,000 words a week); Pro is ¥1,980 a month or ¥14,220 a year. For users in Japan it is provided by Senolytic Lab LLC (Tokyo).

# 音声認識・音声合成# 音声合成・文字起こし# 自動返信・メール作成# 生産性向上# 日本語対応

ディア

Dia

An AI browser from The Browser Company of New York, the US maker of Arc (acquired by Atlassian in October 2025). Built on Chromium, it answers questions across your open tabs and connected apps such as Slack, Gmail, Google Calendar, Notion and Jira, and offers a "Morning Brief" that rounds up your calendar, inbox and key links each morning, report and slide-deck creation, and "Skills" for saving repeated requests. Available for macOS and Windows. The browser is free (no AI features); AI comes with the paid Better Answers ($10/month) and Better Days ($100/month) plans. New users can try Better Days free for 14 days (no credit card required). The interface and official website are in English.

# AIエージェント# 検索・レコメンド# 要約・翻訳# 業務効率化# 生成AI（LLM）

ゼットエーアイ

Z.ai

The official service for the GLM family of large language models developed by Z.ai (Zhipu AI). In chat (chat.z.ai), GLM-5.3-Flash can write, analyze data and build slides and websites. For developers, Z.ai offers an API (GLM-5.3 costs $1.4 input / $4.4 output per 1M tokens) and the "GLM Coding Plan", a flat-rate plan for using GLM in 20+ tools such as Claude Code and Cline (Lite $18, Pro $80, Max $168 per month). Model weights are published on Hugging Face. Officially supported model languages are English and Chinese, and the interface is in English.

# 生成AI（LLM）# AIチャットボット# コード生成# AIエージェント# API・SDK# テキスト生成

プラモホンヤク

PLaMo翻訳

An AI translation service from Preferred Networks, Inc. (PFN), powered by a translation-specialized model built on PLaMo, the Japanese LLM that PFN develops in-house. It covers text, file (PDF/Office) and web page translation, live audio translation, meeting translation for Zoom, Google Meet and Teams, and English proofreading across 53 languages (15 for meeting translation), with all data processing completed inside Japan. Adopted for Japan's Digital Agency "Gennai" government AI environment. There is a free plan; paid plans are Lite at ¥1,078/month and Pro at ¥2,838/month (tax included, campaign prices until November 30, 2026), plus per-user team plans.

# 要約・翻訳# 会議翻訳・AI同時通訳# 生成AI（LLM）# 日本語対応

スピーチファイ

Speechify

An AI text-to-speech reader app from Speechify, Inc. (Miami, Florida, USA). It reads PDFs, web pages, Google Docs, emails and photographed book pages aloud in 1,000+ natural AI voices at up to 5x speed, and also offers AI summaries and chat, voice typing and AI podcasts. Available on iPhone, Android, Chrome extension, web app, Mac and Windows, with the website and app displayable in Japanese. Free plan (up to 1.5x, 10 basic voices) and Premium at $29 per month or $139 per year (purchased on the official website).

# 音声生成# 音声認識・音声合成# 要約・翻訳# 生産性向上# 日本語対応

パパゴ

Papago

An AI translation service from NAVER Corp. of South Korea. It translates text, images (camera), voice, conversations, handwriting, documents (PDF and Office) and websites, works offline, and the app handles 14 languages including Japanese, Korean, English and Chinese. The web version (papago.naver.com) and the apps are free. The paid Papago Plus does not store translation data and starts at $9.99/month (Basic).

# 要約・翻訳# AI-OCR（文字認識）# 音声認識・音声合成# 日本語対応

サーチライト

SEARCH WRITE

SEARCH WRITE is an LLMO and SEO tool from PLAN-B Inc., a Japanese SEO consulting firm, that lets you work on AI search optimization even without prior knowledge. Its "LLMO Dashboard" visualizes how often your brand and competitors are mentioned in AI answers from ChatGPT, Gemini and others, along with share of mentions and cited pages, and suggests new pages to create and information to add to existing pages. Its "SEO Agent" automatically runs keyword strategy, initiative suggestions, article writing and results tracking, and a dedicated customer success manager on every plan reviews your keywords and article structures. Pricing: LLMO・SEO Tool Plan (Standard plan) ¥100,000/month (excl. tax; ¥100,000 setup fee, 12-month minimum), with a one-week free trial (official, as of October 2026).

# LLMO・GEO（生成AI検索最適化）# SEO# AIエージェント# マーケティング# 業務効率化# 日本語対応

エリシット

Elicit

An AI research assistant for researchers from Elicit Research PBC (USA). It semantically searches more than 138 million academic papers and 545,000 clinical trials, and produces reports, data-extraction tables and systematic reviews (screening and extraction) with sentence-level citations. Designed for use in English. Basic is free; Pro is $49/month billed annually (academic plans available).

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# 教育

トゥーテキスト

ToText

ToText is a recording and transcription app for iPhone, iPad and Mac (Apple silicon), provided by Lovelace Loom (LovelaceLoom). Record meetings, lectures, interviews or voice memos—or import audio files—and it transcribes them by speaker in 60 languages, creates AI summaries, to-dos and tags, and answers questions about a recording based on its transcript. Optionally, you can also connect it to ChatGPT and ask about your recordings there. Transcription and summaries are processed in the cloud by external providers, while recordings are stored on your device (optionally in iCloud); no account is required. Pricing in Japan: Free (60 min/month) / Basic ¥700/month (1,000 min) / Pro ¥1,400/month (2,000 min).

# 音声合成・文字起こし# 議事録作成# 要約・翻訳# 教育# 生産性向上# 日本語対応

コメット

Comet

An AI browser from Perplexity. The Comet Assistant in the sidebar summarizes and explains the pages and tabs you have open, while the Comet Agent takes over browser actions such as filling in forms, making bookings, and drafting emails. Perplexity is the default search engine. Available on Mac, Windows, iOS, and Android, and the browser itself is free (Comet Plus, which unlocks articles from partner publishers, is $5/month and included at no extra cost with Perplexity Pro and Max).

# AIエージェント# 検索・レコメンド# 要約・翻訳# 業務効率化# 生成AI（LLM）# 日本語対応

アキュノート

AccuNote

AccuNote is a voice note app for iOS and Android from SEIWA Co., Ltd. (Osaka, Japan). It transcribes in real time while you record, and handles speaker separation, AI summaries, translation in 60 languages, and bilingual recognition that translates between two languages, all in one app. You can also import existing audio and video files. Try it as a guest with no registration or with a free account; the paid Pro plan starts at ¥1,780/month (tax included).

# 議事録作成# 音声合成・文字起こし# 要約・翻訳# 会議翻訳・AI同時通訳# 生産性向上# 日本語対応

ディストリブ

Distribb

Distribb is an AI SEO platform from Mind Ahead LLC. It researches buyer-intent keywords, writes long-form SEO articles in your brand voice and publishes them automatically to WordPress, Shopify, Webflow and other CMSs, exchanges contextual backlinks between member sites in the same niche, and tracks whether ChatGPT, Gemini, Perplexity and other AI search engines cite you, all driven by a built-in AI agent you instruct in plain English. Pricing: Pro $97/month (30 articles/month) and Accelerator $495/month (90 articles/month plus done-for-you video and social distribution), with a 7-day free trial.

# SEO# LLMO・GEO（生成AI検索最適化）# コピーライティング# マーケティング# AIエージェント# 自動化・省力化

ヴェリタス

Veritas

Veritas is a marketing platform from Optivus Corporation Private Limited (New Delhi, India) that combines SEO and AI visibility (LLMO/GEO) in one workspace. It tracks, prompt by prompt, whether ChatGPT, Perplexity, Gemini and Google AI Overviews mention or cite your brand, and lets you draft the page that answers each missed question from your own documents, with a source on every claim. Keyword research, site audits and rank tracking are included in the same subscription; pricing starts at INR 1,500/month (excl. GST) for Starter, and every self-serve plan comes with a 7-day free trial.

# LLMO・GEO（生成AI検索最適化）# SEO# マーケティング# コピーライティング# 生成AI（LLM）# 業務効率化