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AI Services for Marketer that Solve "Social Media Post Content Generation"

AI Services for Marketer that Solve "Social Media Post Content Generation"

Keeping up a steady posting cadence matters for social media, but each platform demands a different format—text, image, video—and many marketers struggle with running out of ideas or simply not having enough time. Here you can compare AI tools that support social media post creation.

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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

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

ラテエーアイ

Latte AI

[Discontinued] Latte was an AI video-repurposing tool that automatically clipped long videos and podcasts into vertical social shorts with animated subtitles (35 languages), but it was discontinued on November 30, 2025 (annual subscribers were fully refunded). The team officially recommends Opus Clip and Submagic as alternatives. Operated by Latte Social (London).

# テキスト生成# マーケティング

クソドットエーアイ

quso.ai

An all-in-one AI social-media tool (formerly vidyo.ai) covering long-to-short clipping, video editing, captions, post scheduling, and analytics. It also does video generation, content repurposing, and pre-post engagement prediction (Virality Score). Free plan available.

# テキスト生成# マーケティング

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

ジェミニ

Gemini

Gemini is an AI assistant provided by Google. Built on the latest Gemini models (the 3.x family), 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 is free, plus Google AI Plus ¥725 / Pro ¥2,900 / 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. Built on the latest GPT-6 Astra and GPT-5.6 family, it runs question answering and writing plus Deep Research, image generation, data analysis, voice conversation, and a coding agent (Codex) in a single app. It is expanding into features that hand off tasks, such as 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 (5x) and $200 (20x), with Team and Enterprise also offered.

# 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

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

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. From a rich library of templates and assets, you can create more than 1,000 kinds of designs such as presentations, social media posts, videos, and flyers, and with generation and editing by Canva AI plus the integration of Affinity and Leonardo.Ai, 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. Used by more than 6 million teams worldwide.

# 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

ワンオブテン

1of10

An AI-powered YouTube research and ideation tool that finds 'outlier' videos (which greatly outperform a channel's or niche's average) and, based on them, generates winning ideas, titles, and thumbnails. Combining thumbnail generation trained on real YouTube data with outlier analysis, it handles click-worthy creative and CTR analysis in one place. Japanese UI supported.

# デザイン生成# マーケティング# 日本語対応

オーパスクリップ

OpusClip

An AI video editing tool that analyzes long videos and automatically cuts out short, viral-worthy clips. Mass-produce shorts for YouTube, TikTok, and Instagram in one click with captions and vertical reframing. Features ClipAnything for clipping any video, ReframeAnything with subject tracking, virality-score selection, AI B-roll, and an auto-posting scheduler.

# 動画生成# 字幕生成# 業務効率化

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

ビデオブレイン

Video BRAIN

Video BRAIN, from Open8 Inc., is an AI video-editing cloud that lets anyone create business videos for internal training, sales, marketing, and recruiting without specialized skills. Drop material into a template and the AI edits automatically, through delivery and analytics. It officially claims "No.1 share for five years," with 1,100+ companies adopting it (about half of the Nikkei 225). It offers 3,500+ templates, royalty-free stock, and ChatGPT assist; pricing is by inquiry.

# 動画生成# マーケティング# セールス

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

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

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

トップビュー

Topview

An 'AI video agent' that plans scenes and picks models to generate video from an idea, script, reference video, or product URL. Beyond marketing videos it makes short films and vertical dramas, with every shot editable on Canvas; it orchestrates external models like Seedance. Credit-based from $29/mo.

# 動画生成# 生産性向上# 業務効率化# マーケティング

キャップカット

CapCut

CapCut is a video editing app from Bytedance Pte. Ltd. (Singapore), part of the ByteDance group behind TikTok. It runs on mobile, desktop, and browser, offering auto captions, background removal, and AI image/video generation for free to start. CapCut Pro costs JPY 1,080+/month or JPY 9,900/year via the Japan App Store (as of August 2026), with a fully Japanese UI.

# 動画生成# 字幕生成# 品質向上・クリエイティブ支援# 業務効率化# マーケティング# 日本語対応

バエヘンサチ

映え偏差値

A free service that scores photos, illustrations, and AI-generated images with AI. No login required. It analyzes three dimensions—beauty, quality, and social media appeal—and returns a deviation score, percentile, and ranking, compared separately by image type (Photo / AI Photo / Illustration / AI Illustration / 3DCG).

# 品質向上・クリエイティブ支援# マーケティング# エンタメ／ゲーム・遊び# 日本語対応

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【2026年最新】LLMO/GEO対策ツールおすすめ比較12選｜国産・海外を対応AI・機能・料金で

ChatGPTやGeminiなどのAI検索で自社が引用・推薦されるための「LLMO/GEO対策ツール」を、国産8ツール（Genview・DolphinX AIO・AKARUMI・ミエルカGEO・SUPER ACT・User Insight・BringRitera・LLMOinsight）と海外4ツール（Profound・Peec AI・OtterlyAI・AthenaHQ）に分けて、対応AI・機能の型・料金（月額／年払い）・無料枠で徹底比較。GEO対応の制作系ツール2つ（Writesonic・Readdy）を加えた14ツールの比較表、結論3行、目的別のおすすめ、失敗しない選び方の6軸、料金相場、無料で使えるツール、LLMOとGEOの違いや効果測定の指標のFAQまで、2026年8月時点の公式表記にもとづいて解説します。

【2026年版】マーケターの課題を解決するAIツール13選｜業務別にユースケースで紹介

コンテンツ制作・SNS運用・レポート作成など、マーケターの業務課題を解決する最新AIツールを分野別に厳選紹介。【2026年最新版】

A Remedy for "Running Out of Ideas" and "Production Fatigue"

AI can handle everything from brainstorming post themes to writing captions and creating images or short videos, helping you maintain posting frequency without burning out. Some tools even tailor output to each platform's character limits and hashtag conventions, easing the load for marketers running multiple accounts at once.

Checklist for Choosing a Tool

How well it covers the format requirements of each platform (X, Instagram, TikTok, etc.)
Whether it handles text as well as image and video generation end-to-end
How easily you can adjust tone to avoid language that risks backlash
Whether it integrates with post-scheduling and analytics tools