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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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Sora
A
GitHub Copilot
B
OpenAI Voice / Realtime
S
Replicate
S
TaglineOpenAI's video model. Long clips, cinematic quality.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.Run any open-source AI model with an API call.
Categoryvideocodingvoicedev platform
PricingIncluded with ChatGPT Plus/ProFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usagePay per second of compute
Best forChatGPT subscribers experimenting with cinematic shots.Teams with GitHub already. Devs who don't want to change IDEs.Voice chat users, developers building voice agents on OpenAI.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.S-tier for open-source model APIs. The default in this space.
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