ToolMango / AI Writing / Alternatives

Grammarly alternatives

The best Grammarly alternatives, ranked by ToolMango ROI Score. Lower cost, faster time-to-value, better free tiers, and stronger output quality — every option below is a serious contender.

Top 12 alternatives, ranked

1. 1
   ★80.0 · A
   ChatGPT

   OpenAI's flagship conversational AI — research, writing, code.

   $20/mo· Free tier
   vs Grammarly →
2. 2
   ★80.0 · A
   Claude

   Anthropic's long-context AI for serious writing and reasoning.

   $20/mo· Free tier
   vs Grammarly →
3. 3
   ★75.1 · A
   Jasper

   AI for marketing teams.

   $49/mo
   vs Grammarly →
4. 4
   ★68.0 · B
   Gemini

   Google's multimodal AI — reasoning, search, and Workspace integration.

   $20/mo· Free tier
   vs Grammarly →
5. 5
   ★67.6 · B
   Copy.ai

   GTM AI platform.

   $49/mo· Free tier
   vs Grammarly →
6. 6
   ★65.0 · B
   Mistral Le Chat

   Mistral's free fast AI chat — lightweight alternative to ChatGPT.

   · Free tier
   vs Grammarly →
7. 7
   ★50.0 · C
   Perplexity

   AI search engine with real-time citations and follow-ups.

   $20/mo· Free tier
   vs Grammarly →
8. 8
   ★49.0 · C
   Rytr

   Affordable AI writing assistant for blogs, ads, and emails.

   $9/mo· Free tier
   vs Grammarly →
9. 9
   ★44.0 · D
   Lex

   AI-native writing tool built for long-form drafts and research.

   $15/mo· Free tier
   vs Grammarly →
10. 10
    ★43.0 · D
    DeepL Write

    Editing-grade AI writing assistant from the translation specialists.

    $9/mo· Free tier
    vs Grammarly →
11. 11
    ★43.0 · D
    Wordtune

    AI rewriter and tone shifter that polishes existing drafts.

    $10/mo· Free tier
    vs Grammarly →
12. 12
    ★41.0 · D
    Sudowrite

    AI co-writer purpose-built for fiction and long-form authors.

    $19/mo
    vs Grammarly →