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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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TaglineVS Code fork that made AI coding actually work.The playful, accessible AI video tool.Cognition Labs' autonomous coding engineer.
Categorycodingvideoagents
PricingFree + $20/mo Pro + $40/mo BusinessFree + $8-$58/mo$500/mo
Best forDevelopers. Non-developers who want to ship working code.Social media creators, beginners, anyone wanting quick fun clips.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
  • Ingredients feature — combine people, objects, scenes
  • Lip sync + sound effects
  • Fun, approachable UX
  • 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
  • Lower fidelity than Runway/Kling
  • Still rough on complex scenes
  • 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 for social/casual. B-tier for serious work. Good entry point.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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