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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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Replicate
S
Sora
A
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S
Udio
A
TaglineRun any open-source AI model with an API call.OpenAI's video model. Long clips, cinematic quality.Vector + raster AI for designers. Actually controls the output.Suno's main rival. Often better on instrumental nuance.
CategoryDev PlatformVideoImageAudio
PricingPay per second of computeIncluded with ChatGPT Plus/ProFree + $12-$48/moFree + $10-$30/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).ChatGPT subscribers experimenting with cinematic shots.Designers, brand teams, anyone needing vector output or tight style control.Musicians comparing AI outputs. Anyone who didn't click with Suno.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • 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
  • Same copyright gray zone as Suno
  • Ecosystem smaller
Kai's verdictS-tier for open-source model APIs. The default in this space.A-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.A-tier. Genuinely different vibe from Suno — worth trying both for a month.
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