Best free AI writing tool: free plans compared
Answer in brief
Our best free AI writing tool starting pick is Claude. Free access includes chat and document tools. Pricing cards list five-hour and weekly limits; help wording differs, so follow your account notice. Compare alternatives for your task; this is an editorial choice. Check the official sources before planning ongoing work around a free allowance.
Check the official sourcesSource review: November 2026 · Complete re-verification pending · By the Best Free AI editors · 4 tools compared
Free AI writing help comes in two kinds: chatbots that draft for you and assistants that fix what you've written. Most people need both, and both are available for free.
best free AI writing tool: free plans at a glance
November 2026- 01ClaudeBest for draftingPaid from: Pro, $20/month or $200/year
- 02ChatGPTBest all-purpose writerPaid from: Plus, $20/month (a cheaper Go plan exists in some markets)
- 03GrammarlyBest for editingPaid from: Pro, $12/month billed annually
- 04QuillBotBest paraphraserPaid from: Premium (price varies by region)
Claude: best for drafting
By Anthropic
Claude's writing sounds the least like a machine and holds the thread across long documents.
What's free
- Chat on web, desktop and mobile
- Web search, memory and file creation
- Code execution and Artifacts
- Connections to apps and tools
Free-plan limits
- Pricing cards list five-hour and weekly usage limits; help wording differs, so follow your account notice
- Claude Code and some workflow features are paid only
ChatGPT: best all-purpose writer
By OpenAI
ChatGPT drafts quickly, searches the web for facts and can read the file you're working on.
What's free
- Everyday text chat, described by OpenAI as unlimited within abuse safeguards
- Web search, file and image uploads, and data analysis
- Image creation inside the chat
- Use of existing custom GPTs
- 500 MB of library storage
Free-plan limits
- Tools such as image creation and file analysis have their own usage limits that reset over time
- OpenAI doesn't publish fixed daily numbers for those tool limits
- Ads may appear for free users in some countries
Grammarly: best for editing
By Grammarly (part of Superhuman)
Grammarly's free plan checks spelling, grammar and tone everywhere you type, plus 100 generative AI prompts a month.
What's free
- Spelling and grammar suggestions
- Tone detection
- 100 generative AI prompts per month
Free-plan limits
- Full-sentence rewrites and advanced suggestions are Pro
QuillBot: best paraphraser
By QuillBot (Learneo)
QuillBot rewords up to 125 words at a time and summarises up to 1,200 words on the free plan.
What's free
- 125 words per paraphrase
- 1,200 words per summary
- Standard and Fluency modes
- Limited daily AI chat
Free-plan limits
- Most rewrite modes are Premium
- Premium price varies by region
How to choose a free AI writing tool
- Drafting or editing
- Chatbots write; Grammarly and QuillBot polish.
- Where it works
- Grammarly runs in your browser and apps; chatbots need copy and paste.
- Honesty
- AI drafts need fact-checking. Never publish a statistic you haven't traced to a source.
Questions about free AI writing tools
What is the best free AI writing tool?
Claude is the best free AI for drafting, and Grammarly is the best free AI for editing what you've written.
Which AI is best for resume writing for free?
ChatGPT or Claude can draft and tailor a resume for free; paste the job description and your history. Use Grammarly to proofread the result.
Is Grammarly free?
Yes. Grammarly's free plan covers spelling, grammar and tone, plus 100 generative AI prompts a month.
Sources
- Claude plans and pricing · Anthropic
- What is the Pro plan? · Claude Help Center
- ChatGPT Free Tier FAQ · OpenAI Help Center
- What is ChatGPT Plus? · OpenAI Help Center
- Grammarly plans · Grammarly
- How much does Grammarly Pro cost? · Grammarly Support
- Free vs Premium · QuillBot Help
Cite this entry
Best Free AI. "Best free AI writing tool: free plans compared." Source review recorded November 2026; complete re-verification pending. https://www.bestfreeai.com/best-free-ai/writing-tools.