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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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GitHub Copilot
B
Grammarly
A
Galileo AI
B
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Grammar check + tone + AI drafting, everywhere you type.Prompt to UI design. Figma-ready outputs.
Categorycodingwritingdesign
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12-$15/mo Premium + team plansFree trial + paid plans
Best forTeams with GitHub already. Devs who don't want to change IDEs.Non-native English writers, business email, anyone who types a lot.Designers brainstorming first drafts.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Output needs designer polish
  • Pricing unclear / changes often
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.B-tier. Useful for first drafts. v0 is the better bet for shipping code.
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