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AI Services for Marketer that Solve "Automated Article Outline Creation"

An article outline needs to satisfy both reader search intent and SEO evaluation, a task that requires a feel for heading design built up through experience. Here you can compare AI tools that support outline creation.

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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

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

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

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

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

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

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

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

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

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

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Getting a Quick First Draft of Your Structure

Give it a keyword or theme, and it can propose a heading structure informed by patterns in top-ranking articles, cutting down the effort of building an outline from scratch. Comparing multiple structural options makes it easier to think through the order readers want information in and how comprehensive to be—helping even less experienced team members produce a solid outline.

Points to Check When Comparing

Whether it analyzes and reflects heading patterns from top-ranking pages
Whether it proposes specific heading hierarchies (H2/H3, etc.)
How easily it adapts to your existing article format or template
Whether it can carry through from outline to full article generation in one flow