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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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Hex
A
GitHub Copilot
B
Cline
A
Devin
A
TaglineModern data notebook with Magic AI assistant.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Open-source VS Code agent. Reads + writes + runs.Cognition Labs' autonomous coding engineer.
Categorydatacodingcodingagents
PricingFree + $28+/user/moFree (limited) + $10/mo Pro + $19/mo BusinessFree (open source) + your API costs$500/mo
Best forData teams at startups + enterprises.Teams with GitHub already. Devs who don't want to change IDEs.VS Code users who want agentic coding without changing IDEs.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Overkill for casual users
  • Enterprise pricing
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictA-tier for data teams. S-tier if you already live in SQL + Python.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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