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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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Claude
S
Sora
A
Stable Audio
A
Replicate
S
TaglineAnthropic's flagship — best reasoning + longest useful context.OpenAI's video model. Long clips, cinematic quality.Stability AI's open audio model. Loops + SFX + background.Run any open-source AI model with an API call.
CategoryChatbotsVideoAudioDev Platform
PricingFree + $20/mo Pro + team/enterpriseIncluded with ChatGPT Plus/ProFree + $12/mo Pro + enterprisePay per second of compute
Best forLong writing, code, careful thinking, documents over 50 pages.ChatGPT subscribers experimenting with cinematic shots.Game developers, podcasters needing SFX, video creators needing background music.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Image generation is weak
  • No native web search on all tiers
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Not for full songs with vocals
  • Shorter generation limits
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictS-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.S-tier for open-source model APIs. The default in this space.
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