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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Grammarly
A
Hume AI
A
Claude Code
S
Recraft
S
TaglineGrammar check + tone + AI drafting, everywhere you type.Voice AI that reads + expresses emotion.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Vector + raster AI for designers. Actually controls the output.
CategoryWritingVoiceCodingImage
PricingFree + $12-$15/mo Premium + team plansFree tier + pay-as-you-goPart of Claude Pro/Max/Team plansFree + $12-$48/mo
Best forNon-native English writers, business email, anyone who types a lot.Therapy apps, customer service, any voice agent where emotion matters.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Niche use case
  • Pricing ramps fast
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Less hyped than Midjourney
  • Learning curve for non-designers
Kai's verdictA-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.A-tier in its niche. The only one that actually gets emotion right.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for designers. The only one that takes vectors seriously.
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