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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
Devin
A
Grok
A
TaglineModern data notebook with Magic AI assistant.Cognition Labs' autonomous coding engineer.xAI's chatbot. Real-time X/Twitter data + fewer refusals.
CategoryDataAgentsChatbots
PricingFree + $28+/user/mo$500/moFree + $30/mo SuperGrok + included with X Premium
Best forData teams at startups + enterprises.Engineering teams offloading tickets. Ops/platform work.Breaking news, live event tracking, users already on X.
Strengths
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
Weaknesses
  • Overkill for casual users
  • Enterprise pricing
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
Kai's verdictA-tier for data teams. S-tier if you already live in SQL + Python.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.
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