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AI Services for Writer that Solve "Article Rewriting Support"

AI Services for Writer that Solve "Article Rewriting Support"

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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 focused on rephrasing and paraphrasing English text. Features include tone-aware rewriting, long-form summarization, AI-generated text, grammar checking, and a Humanize function to make AI-sounding writing feel more natural. Available as a browser extension and editor integration. Primarily English-focused; Japanese writing correction and rewriting are not practically supported.

# 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

グラマリー

Grammarly

An AI writing assistant that detects and corrects English grammar, spelling, and punctuation errors in real time. Also handles tone adjustment, text rewriting, AI-powered content generation, and plagiarism and AI text detection. Available as a browser extension, desktop and mobile apps, and integrates with Microsoft Office and Google Docs. Focused on English; Japanese text proofreading is not practically supported.

# 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

カリス

Xaris

A Japanese platform using generative AI to support consulting and automate workflows for insurance agencies. AI leverages customer conversation history and insurance product data to recommend optimal insurance plans and generate policy comparisons and explanations. A domestic service aimed at improving insurance sales efficiency and customer experience.

# テキスト生成# 要約・翻訳# 日本語対応

トランスコープ

Transcope

A Japanese-focused AI writing tool for rapidly generating SEO-strong blog posts and web copy. Enter a keyword and it analyzes competitors to generate an article structure and full draft, with WordPress integration for automatic publishing. Designed for businesses and media teams pursuing content SEO.

# SEO# テキスト生成# 日本語対応

チャットドック

ChatDOC

A tool that lets you upload a PDF and then search and summarize its contents through an AI conversation. Makes it easy to digest complex reports and academic papers efficiently.

# 要約・翻訳# PDF・文書生成

インク

INK

An AI-powered content optimization and SEO writing assistance tool. Displays an SEO score in real time as you write, providing feedback on the keywords, heading structure, and content quality needed to rank in search. Integrates AI writing assistance with SEO guidance to help content marketers produce higher-quality articles.

# テキスト生成# SEO# コピーライティング

オートブログギングエーアイ

Autoblogging.ai

An AI blog automation tool that auto-generates and publishes blog articles from RSS feeds or keywords. Uses LLMs like GPT-4 and Claude to generate SEO-optimized articles, with support for automatic WordPress posting, scheduling, and multilingual content generation. Used for building affiliate and content SEO sites at scale.

# テキスト生成# SEO# 自動化・省力化

ショドー

Shodo

A cloud-based AI proofreading and writing assistance platform specialized for Japanese. It provides real-time suggestions on sentence flow, grammatical errors, and expression improvements, helping raise the quality of business documents and content.

# テキスト生成# 要約・翻訳# 日本語対応

ライター

Rytr

A multilingual AI writing assistant that rapidly generates blog posts, ad copy, social media content, and more—known for its easy-to-use interface.

# テキスト生成# コピーライティング

ビデオトゥーブログ

Video To Blog

A tool that analyzes videos (YouTube URLs or uploaded video files) and automatically converts them into SEO-optimized blog posts. Automates the full pipeline from transcription to editing, keyword insertion, and article formatting — dramatically reducing the effort for YouTubers and content marketers repurposing video content as written articles.

# テキスト生成# 要約・翻訳

ジェミニ

Gemini

A multimodal AI developed by Google, capable of processing a wide range of information including search queries, images, and documents.

# 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

A conversational AI developed by OpenAI. Using the latest models like GPT-4o and o3, it supports text, image, and voice conversations, file analysis, web search, and code generation and execution. 'Projects' enable custom instructions, while the Canvas feature enables collaborative editing of text and code. Widely integrated into external applications via API.

# 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

A conversational AI assistant developed by Anthropic. Handles a wide range of tasks including comprehending and generating long-form content, writing and reviewing code, and analyzing documents. Designed with safety (Constitutional AI) and honest responses as core principles. The latest Claude 4 model achieves top-tier benchmark performance in coding, mathematics, and reasoning. Available at claude.ai, via API, and through the Claude app.

# 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

An open-source AI development platform for building, deploying, and operating LLM applications. Includes a no-code visual workflow builder, RAG pipeline construction, AI agent orchestration, and prompt versioning. Usable by both developers and non-engineers. Available as self-hosted or cloud, with API integration support.

# 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

ライトソニック

Writesonic

An AI writing tool specialized in generating marketing content.

# コピーライティング# SEO# テキスト生成# AIチャットボット# AIエージェント

コピードットエーアイ

Copy.ai

A writing AI that handles diverse text generation tasks, including social media posts, ad copy, and product descriptions.

# コピーライティング# SEO# テキスト生成# AIエージェント

サーファー

Surfer

An end-to-end SEO tool for content optimization, writing, auditing, and topic cluster visualization. Compare your article against top-ranking competitor content in real time with keyword, structure, and NLP scoring. Built around Content Editor, Topical Map, and SERP Analyzer — widely used by SEO professionals.

# SEO# マーケティング# コピーライティング

ジャスパー

Jasper

An enterprise AI writing platform for generating diverse content including marketing copy, ads, blog posts, and social media. Train it on your brand voice and product information to produce consistent copy at scale. Includes SEO optimization, collaborative team editing, and 100+ content templates.

# コピーライティング# SEO# テキスト生成# AIエージェント

ノーション

Notion

AI features built into Notion for document summarization, writing assistance, and automated meeting-note generation.

# 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

グーグルエーアイスタジオ

Google AI Studio

A free, developer-facing web tool for building and testing prototypes with Google's Gemini models. Provides an intuitive environment for prompt design, testing, and iteration, with seamless integration into production apps via the Gemini API. Supports multimodal input including text, images, audio, and video.

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

プロンプティチュードドットアイオー

Promptitude.io

A platform for easily embedding AI capabilities (GPT) into your own apps and business workflows. Includes advanced developer-facing management features such as API integration, prompt management, and permission controls.

# テキスト生成# コード生成# ノーコード自動化

ポー

Poe

An AI aggregator service by Quora that lets you use and compare multiple AI models — ChatGPT, Claude, Gemini, Llama, and others — in a single app. Users can create and publish custom bots, and switch between models to find the best answer. Available on both web and mobile.

# AIエージェント# 検索・レコメンド# 日本語対応

アナキンエーアイ

Anakin AI

An all-in-one AI platform for switching between and using multiple AI models including ChatGPT, Claude, Gemini, and Stable Diffusion. Text generation, image generation, voice generation, and AI automation workflows are all accessible in a single interface, with 100+ templates and a no-code AI app builder.

# 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

AI Services for Writer that Solve "Article Rewriting Support"

Sudowrite

Wordtune

Grammarly

Xaris

Transcope

ChatDOC

A tool that lets you upload a PDF and then search and summarize its contents through an AI conversation. Makes it easy to digest complex reports and academic papers efficiently.

INK

Autoblogging.ai

Shodo

A cloud-based AI proofreading and writing assistance platform specialized for Japanese. It provides real-time suggestions on sentence flow, grammatical errors, and expression improvements, helping raise the quality of business documents and content.

Rytr

A multilingual AI writing assistant that rapidly generates blog posts, ad copy, social media content, and more—known for its easy-to-use interface.

Video To Blog

Gemini

A multimodal AI developed by Google, capable of processing a wide range of information including search queries, images, and documents.

ChatGPT

Claude

Dify

Writesonic

An AI writing tool specialized in generating marketing content.

Copy.ai

A writing AI that handles diverse text generation tasks, including social media posts, ad copy, and product descriptions.

Surfer

Jasper

An enterprise AI writing platform for generating diverse content including marketing copy, ads, blog posts, and social media. Train it on your brand voice and product information to produce consistent copy at scale. Includes SEO optimization, collaborative team editing, and 100+ content templates.

Notion

AI features built into Notion for document summarization, writing assistance, and automated meeting-note generation.

Google AI Studio

Promptitude.io

A platform for easily embedding AI capabilities (GPT) into your own apps and business workflows. Includes advanced developer-facing management features such as API integration, prompt management, and permission controls.

Poe

An AI aggregator service by Quora that lets you use and compare multiple AI models — ChatGPT, Claude, Gemini, Llama, and others — in a single app. Users can create and publish custom bots, and switch between models to find the best answer. Available on both web and mobile.

Anakin AI

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【2026年版】ライターの課題を解決するAIツール7選｜記事自動執筆・画像生成・参考文献整理まで完全網羅

記事の自動執筆・画像生成・参考文献リスト整理を一気通貫で効率化する最新AIツール7選を解説。WritesonicやCanvaなどを活用し、制作スピードと品質を両立させたいライター必見の2026年最新版ガイド。