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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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Claude
S
Rows
A
GitHub Copilot
B
Gamma
A
TaglineAnthropic's flagship — best reasoning + longest useful context.Spreadsheets with AI + live integrations baked in.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI slide decks that don't look AI-generated.
Categorychatdatacodingproductivity
PricingFree + $20/mo Pro + team/enterpriseFree + $19-$89/user/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $10-$20/mo
Best forLong writing, code, careful thinking, documents over 50 pages.Ops teams, marketers, anyone building dashboards from multiple sources.Teams with GitHub already. Devs who don't want to change IDEs.Pitch decks, proposals, internal presentations — fast.
Strengths
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
Weaknesses
  • Image generation is weak
  • No native web search on all tiers
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Locked into Gamma's format
  • Export quality varies
Kai's verdictS-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.
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