Grammar, tone, and full-sentence AI rewrites across browser, desktop, and Office/Docs
Freemium Free plan · from $12/mo · 100 AI prompts/month; unlimited core grammar/spelling checks
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- DESKTOP
- EXTENSION
- PLUGIN
- MOBILE
Category · verified by hand
AI writing assistants (ai writing)
12 ai writing assistants (ai writing) compared on verified pricing, plan limits and platforms.
- Tools tracked
- 12
- With a free tier
- 9
- With an API
- 4
- Cheapest paid plan
- $6.99/mo
Active:
Showing 12 of 12 tools
Paraphrasing, grammar, and summarizing suite with a 9-mode rewriter
Freemium Free plan · from $8.33/mo · 125-word paraphrases, 1,200-word summaries, 25,000 words/month plagiarism checks, 20 AI chats
- WEB
- EXTENSION
- PLUGIN
- MOBILE
Brand-voice-controlled AI content and marketing-agent platform for teams
Paid From $59/mo
- WEB
- API
Deep-dive grammar and style reports built for long-form authors and editors
Freemium Free plan · from $30/mo · 500-word limit per check, 2 report runs/day, 10 rephrases/day
- WEB
- DESKTOP
- EXTENSION
- PLUGIN
- API
Multi-model AI chat and workflow platform for marketing and GTM teams
Paid From $29/mo
- WEB
- API
Readability-grading editor that flags dense, hard-to-read sentences
Freemium Free plan · from $19.99/mo · Unlimited use of the core readability/style editor; no AI features or export without paying
- WEB
- DESKTOP
Credit-based AI co-writer built specifically for novelists and screenwriters
Paid From $10/mo
- WEB
Academic writing assistant with citation checking and PDF-grounded AI chat
Freemium Free plan · from $12/mo · 10 autocompletes/day, 5 chat messages, 3 AI edits, 10 PDF uploads
- WEB
Sentence-level AI rewrite and summarizer built on AI21 Labs' language models
Freemium Free plan · from $6.99/mo · 10 rewrites/day, 3 AI summaries/month
- WEB
- EXTENSION
- PLUGIN
- MOBILE
Budget AI copywriter with 40+ templates for short-form content
Freemium Free plan · from $7.50/mo · 10,000 characters/month, single language, no plagiarism checks
- WEB
- EXTENSION
- API
Distraction-free writing app with frontier-model AI feedback built in
Freemium Free plan · from $18/mo · Approx. 30 AI checks/month per third-party sources (official pricing page did not expose this figure to the fetch tool)
- WEB
AI writing chat with real-time web citations and custom Personas
Freemium Free plan · from $19.99/mo · Limited monthly credits on basic AI models (exact quota not disclosed by the official page)
- WEB
- EXTENSION
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