KaiAI tutor for anyone

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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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Gemini
A
Rows
A
Claude Code
S
Devin
A
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Spreadsheets with AI + live integrations baked in.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Cognition Labs' autonomous coding engineer.
Categorychatdatacodingagents
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $19-$89/user/moPart of Claude Pro/Max/Team plans$500/mo
Best forAnyone already on Google, research tasks, summarizing long documents.Ops teams, marketers, anyone building dashboards from multiple sources.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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