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TaglineGoogle Docs with an AI collaborator baked in.OpenAI's video model. Long clips, cinematic quality.VS Code fork that made AI coding actually work.Run any open-source AI model with an API call.
Categorywritingvideocodingdev platform
PricingFree + $12/moIncluded with ChatGPT Plus/ProFree + $20/mo Pro + $40/mo BusinessPay per second of compute
Best forEssays, long-form drafts, thinking on the page.ChatGPT subscribers experimenting with cinematic shots.Developers. Non-developers who want to ship working code.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for open-source model APIs. The default in this space.
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