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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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Devin
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TaglineCognition Labs' autonomous coding engineer.Modern data notebook with Magic AI assistant.Autonomous AI agent that actually finishes tasks.VS Code fork that made AI coding actually work.
CategoryAgentsDataAgentsCoding
Pricing$500/moFree + $28+/user/moFree tier + $39-$199/moFree + $20/mo Pro + $40/mo Business
Best forEngineering teams offloading tickets. Ops/platform work.Data teams at startups + enterprises.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Developers. Non-developers who want to ship working code.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Overkill for casual users
  • Enterprise pricing
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier for data teams. S-tier if you already live in SQL + Python.S-tier in the agent category. The first one I'd give to a non-technical friend.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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