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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
GitHub Copilot
B
Sora
A
Replicate
S
TaglineAnthropic's flagship — best reasoning + longest useful context.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.OpenAI's video model. Long clips, cinematic quality.Run any open-source AI model with an API call.
Categorychatcodingvideodev platform
PricingFree + $20/mo Pro + team/enterpriseFree (limited) + $10/mo Pro + $19/mo BusinessIncluded with ChatGPT Plus/ProPay per second of compute
Best forLong writing, code, careful thinking, documents over 50 pages.Teams with GitHub already. Devs who don't want to change IDEs.ChatGPT subscribers experimenting with cinematic shots.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
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • 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
  • Image generation is weak
  • No native web search on all tiers
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • 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 verdictS-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.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.
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