Best free AI writing tools
Free plans compared side by side (limits, watermarks, commercial use), checked 2026-10-22: Free plan limits →
6 free AI writing tools with a free plan confirmed on the official pricing page (each shows its own checked date): Claude, ChatGPT, Google Gemini, Grammarly, Wordtune. They do different main jobs, so pick by the job you need.
Claude
Strong long-form writing, editing and analysis assistant.
Main job: general AI chatbot
🆓 Free plan: $0
💲 Paid: Pro $20/mo ($17/mo billed yearly); Max $100/mo; Ultra $200/mo
checked 2026-11-06
ChatGPT
General-purpose AI assistant: writing, research, images, voice.
Main job: general AI chatbot
🆓 Free: $0 (unlimited text chats on GPT-6, limits on tools)
💲 Paid: Go $8/mo; Plus $20/mo; Pro from $100/mo (3 tiers); Business $25/seat/mo ($20 billed annually); monthly billing
checked 2026-10-24
Google Gemini
Google's assistant, integrated with Gmail, Docs and Drive.
Main job: general AI chatbot
🆓 Gemini app is free to use
💲 Paid: Google AI Plus $4.99/mo; Google AI Pro $19.99/mo ($199.99/yr ≈ $16.67/mo); Ultra from $99.99/mo
checked 2026-11-06
Grammarly
Grammar, clarity and tone fixes everywhere you type.
Main job: writing assistant
🆓 Free: $0 spelling & grammar checks
💲 Paid: Pro $30/mo ($12/mo billed yearly, $144/yr; $60 quarterly)
checked 2026-11-06
Wordtune
Rewrites sentences for clarity and tone.
Main job: writing assistant
🆓 Basic $0 (limited)
💲 Paid: Advanced $6.99/mo ($4.89/mo billed yearly); Unlimited $9.99 ($6.99 yearly)
checked 2026-11-06
Rytr
AI writing in your own voice, plus relationship and follow-up tools.
Main job: writing assistant
🆓 Free forever: 10,000 characters/mo
💲 Paid: Lite $9/mo ($7.20/mo yearly); Personal $19 ($15.20); Pro $49 ($39.20); yearly saves 20%
checked 2026-11-06
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