Writing & Copy

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ChatGPT Plus

OpenAI's paid personal ChatGPT plan with expanded chat, deep research, image creation, voice, projects, custom GPTs and Codex. Plus is $20 a month, billed monthly; the Free and Go plans are separate.

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Claude Pro

Anthropic's paid personal Claude plan: more usage than Free, plus Research, unlimited Projects and Claude Code. $17 a month billed annually ($20 monthly).

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Copy.ai

AI platform for go-to-market teams with chat, workflows and agents, now owned by Fullcast. Chat plan is $24 a month billed annually (5 seats); no free plan on its pricing page.

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Gemini

Google's AI assistant app for text, image and voice tasks, with a free plan and paid Google AI plans that add higher usage limits and Google storage.

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Grammarly

Writing assistant that checks grammar, spelling, tone and clarity and suggests rewrites in a desktop app, browser extensions, mobile apps and integrations.

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Grok

AI assistant from xAI for chat, voice, file analysis, web and X search, and image and video generation. Has a free tier; x.ai/pricing lists Plus at $8 per month and Premium at $30 per month (checked 2026-10-15).

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Jasper AI

AI platform for marketing teams with brand voice, knowledge assets, agents and a no-code Studio. Pro is $59 per seat a month billed annually ($69 monthly); 7-day trial.

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Jenni AI

AI writing editor for academic work with autocomplete, chat, citations and PDF library. Free plan available; paid plans start at $12 a month (annual prices not readable).

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LanguageTool

Grammar, spelling and style checker with browser, Office and app integrations; Basic is free, Premium is reported at $5.83 a month billed annually.

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Notion AI

AI inside Notion workspaces: agents, meeting notes, Q&A and autofill. Limited trial on Free and Plus; Business ($20 per member a month) lists the AI features, with credits for custom agents.

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Paperpal

AI writing, citation and plagiarism-check tool for academic papers. Free plan available; Prime is $144 a year billed annually (about $12 a month), or $25 monthly.

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ProWritingAid

Grammar, style and story-analysis editor with a Free plan (500 words at a time). Premium is $10 a month billed annually ($30 monthly).

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QuillBot

Writing tool with a paraphraser, grammar checker, summarizer, AI detector and translator. Free plan with limits; Premium is $8.33 a month billed annually.

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Rytr

AI relationship manager and writing assistant with a free plan (10,000 characters a month); paid plans start at $9 a month for Lite (yearly prices not listed).

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Sudowrite

AI writing tool for fiction with a Story Bible and tools to write, rewrite and expand scenes. Hobby & Student is $10 a month billed annually ($19 monthly).

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Wordtune

AI writing assistant from AI21 Labs that rewrites text, checks grammar and summarizes. Free plan; Advanced is $4.89 a month billed annually ($6.99 monthly).

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Writer

Enterprise AI agent platform for playbooks, knowledge and connectors; 14-day Starter trial, then reported $29 per user a month billed annually ($39 monthly).

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Writesonic

AI search visibility platform that tracks brand mentions in ChatGPT, Gemini and Google AI Overviews, with agents for content and SEO fixes. Starter is $79 a month billed annually; free trial.