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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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coding
image
video
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agents
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Devin
A
GitHub Copilot
B
Grok
A
Sora
A
TaglineCognition Labs' autonomous coding engineer.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.xAI's chatbot. Real-time X/Twitter data + fewer refusals.OpenAI's video model. Long clips, cinematic quality.
Categoryagentscodingchatvideo
Pricing$500/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $30/mo SuperGrok + included with X PremiumIncluded with ChatGPT Plus/Pro
Best forEngineering teams offloading tickets. Ops/platform work.Teams with GitHub already. Devs who don't want to change IDEs.Breaking news, live event tracking, users already on X.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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