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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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Windsurf
A
Sora
A
OpenAI Voice / Realtime
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.OpenAI's video model. Long clips, cinematic quality.ChatGPT's voice + the Realtime API for developers.
Categorycodingvideovoice
PricingFree + $15/mo ProIncluded with ChatGPT Plus/ProVoice included with ChatGPT Plus; Realtime API by usage
Best forDevelopers who want Cursor-like power for less money.ChatGPT subscribers experimenting with cinematic shots.Voice chat users, developers building voice agents on OpenAI.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
Weaknesses
  • Smaller community
  • Model selection more limited
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.
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