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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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GitHub Copilot
B
Stable Audio
A
Sora
A
Replicate
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Stability AI's open audio model. Loops + SFX + background.OpenAI's video model. Long clips, cinematic quality.Run any open-source AI model with an API call.
Categorycodingaudiovideodev platform
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12/mo Pro + enterpriseIncluded with ChatGPT Plus/ProPay per second of compute
Best forTeams with GitHub already. Devs who don't want to change IDEs.Game developers, podcasters needing SFX, video creators needing background music.ChatGPT subscribers experimenting with cinematic shots.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not for full songs with vocals
  • Shorter generation limits
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for open-source model APIs. The default in this space.
LinkOpen →Open →Open →Open →