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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
GitHub Copilot
B
Galileo AI
B
Perplexity
S
TaglineAnthropic's flagship — best reasoning + longest useful context.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Prompt to UI design. Figma-ready outputs.AI search done right. Cited answers, not chat theater.
Categorychatcodingdesignresearch
PricingFree + $20/mo Pro + team/enterpriseFree (limited) + $10/mo Pro + $19/mo BusinessFree trial + paid plansFree + $20/mo Pro
Best forLong writing, code, careful thinking, documents over 50 pages.Teams with GitHub already. Devs who don't want to change IDEs.Designers brainstorming first drafts.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Image generation is weak
  • No native web search on all tiers
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Output needs designer polish
  • Pricing unclear / changes often
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.B-tier. Useful for first drafts. v0 is the better bet for shipping code.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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