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AI Services for Marketer that Solve "Automated Article Writing"

AI Services for Marketer that Solve "Automated Article Writing"

Article volume and publishing frequency directly affect how owned media performs in search rankings, yet marketers often handle everything from planning and structuring to writing and polishing on their own—making production speed the bottleneck. Here you can compare AI tools that support article writing.

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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

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

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

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

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

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

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

アムアイサイテッド

AmICited

AmICited (styled Am I Cited) is an AI search visibility (AEO/GEO) platform from AiMingle, s.r.o. of the Czech Republic, a spinoff of FlowHunt. It runs your chosen prompts daily on ChatGPT, Perplexity, Gemini, Google AI Overviews, AI Mode and more, records how your brand appears and which pages are cited, and compares you with competitors. Connecting Search Console, GA4, ad accounts and stores such as Shopify ties AI answers to revenue by channel, and AI agents write articles and fix pages. An MCP server lets you work with it from Claude, ChatGPT and other AI tools. The official site is available in Japanese. Credit-based pricing: Starter €50, Pro €120 and Premium €500 a month (excl. VAT), with a 7-day free trial (card required).

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

ゴートップエスイーオー

Go Top SEO

Go Top SEO is an SEO and AI-search (GEO) platform from GO TOP DIGITAL MARKETING AND ADVERTISING LTD in Israel. It writes articles that answer what customers search for and schedules them to WordPress, Shopify or Wix, audits the site and applies fixes you approve, tracks rankings in Google and Google Maps, checks citations across six AI engines including ChatGPT and Gemini, posts to Google Business Profile, and produces PDF and Excel reports, all in one place. It supports Japanese. Plans start at $79 per month (plus tax), with a 7-day free trial that needs no credit card.

# 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# 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

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

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). 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

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

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

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

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

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From Writing to Editing

When AI handles outlines and first drafts, a marketer's job shifts from writing itself toward editorial work—fact-checking, adding a unique point of view, and adjusting tone to match the brand. This is especially valuable for formulaic explainer or comparison pieces, freeing up time for work only a person can do, such as planning and interviews. That said, publishing AI-generated copy as-is risks factual errors and homogenized writing, so a separate pre-publication review process is still essential.

What to Look for When Comparing Tools

How natural the generated Japanese reads and how well it handles specialized vocabulary
Whether it can learn and reproduce the tone and manner of your existing articles
Pricing structure relative to output volume (per-character billing vs. flat monthly fee)
How easily it integrates with plagiarism and originality checkers