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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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TaglineOpenAI's video model. Long clips, cinematic quality.Vector + raster AI for designers. Actually controls the output.Vercel's AI-powered UI generator. Prompt to shadcn component.Run any open-source AI model with an API call.
CategoryVideoImageDesignDev Platform
PricingIncluded with ChatGPT Plus/ProFree + $12-$48/moFree + $20/moPay per second of compute
Best forChatGPT subscribers experimenting with cinematic shots.Designers, brand teams, anyone needing vector output or tight style control.Frontend devs, PMs prototyping UIs, anyone on Next.js.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Best for shadcn stack
  • Iterating can be fiddly
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for designers. The only one that takes vectors seriously.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier for open-source model APIs. The default in this space.
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