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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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Image
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Agents
Dev Platform
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Devin
A
Sora
A
NotebookLM
S
Lovable
A
TaglineCognition Labs' autonomous coding engineer.OpenAI's video model. Long clips, cinematic quality.Google's research notebook. Turns your docs into a podcast.Build a full app from a prompt. Stripe-ready.
CategoryAgentsVideoResearchDesign
Pricing$500/moIncluded with ChatGPT Plus/ProFreeFree + $25-$100/mo
Best forEngineering teams offloading tickets. Ops/platform work.ChatGPT subscribers experimenting with cinematic shots.Students, researchers, anyone with a stack of PDFs or a topic to learn.Non-devs + solopreneurs shipping MVPs.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Google-only
  • Can be slow on large corpora
  • Complexity ceiling
  • Can generate brittle code
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.
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