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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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Grok
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Devin
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TaglineVS Code fork that made AI coding actually work.Spreadsheets with AI + live integrations baked in.xAI's chatbot. Real-time X/Twitter data + fewer refusals.Cognition Labs' autonomous coding engineer.
CategoryCodingDataChatbotsAgents
PricingFree + $20/mo Pro + $40/mo BusinessFree + $19-$89/user/moFree + $30/mo SuperGrok + included with X Premium$500/mo
Best forDevelopers. Non-developers who want to ship working code.Ops teams, marketers, anyone building dashboards from multiple sources.Breaking news, live event tracking, users already on X.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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