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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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Perplexity
S
GitHub Copilot
B
Claude Code
S
Hex
A
TaglineAI search done right. Cited answers, not chat theater.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Modern data notebook with Magic AI assistant.
Categoryresearchcodingcodingdata
PricingFree + $20/mo ProFree (limited) + $10/mo Pro + $19/mo BusinessPart of Claude Pro/Max/Team plansFree + $28+/user/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Teams with GitHub already. Devs who don't want to change IDEs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Data teams at startups + enterprises.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Overkill for casual users
  • Enterprise pricing
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for data teams. S-tier if you already live in SQL + Python.
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