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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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Stable Audio
A
Sora
A
Claude Code
S
Kling
A
TaglineStability AI's open audio model. Loops + SFX + background.OpenAI's video model. Long clips, cinematic quality.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Kuaishou's video model. The surprise standout.
CategoryAudioVideoCodingVideo
PricingFree + $12/mo Pro + enterpriseIncluded with ChatGPT Plus/ProPart of Claude Pro/Max/Team plansCredit-based, free trial
Best forGame developers, podcasters needing SFX, video creators needing background music.ChatGPT subscribers experimenting with cinematic shots.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Anyone who wants top-tier video quality for less.
Strengths
  • 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
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • 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
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • UX is rough for English speakers
  • Queue times
Kai's verdictA-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 if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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