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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
Leonardo.ai
A
Grammarly
A
Rows
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Gamer + creator image gen with model fine-tuning built in.Grammar check + tone + AI drafting, everywhere you type.Spreadsheets with AI + live integrations baked in.
Categorycodingimagewritingdata
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12-$60/moFree + $12-$15/mo Premium + team plansFree + $19-$89/user/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Indie game devs, illustrators, anyone training custom style models.Non-native English writers, business email, anyone who types a lot.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • General output behind Midjourney
  • Can be overwhelming
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for creators training custom looks. B-tier for general use.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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