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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
Luma Dream Machine
A
OpenAI Voice / Realtime
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Smooth, cinematic motion. Image-to-video specialist.ChatGPT's voice + the Realtime API for developers.
Categorycodingvideovoice
PricingFree + $15/mo ProFree + $10-$500/moVoice included with ChatGPT Plus; Realtime API by usage
Best forDevelopers who want Cursor-like power for less money.Photographers animating stills, cinematic b-roll.Voice chat users, developers building voice agents on OpenAI.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
Weaknesses
  • Smaller community
  • Model selection more limited
  • Prompt fidelity below Runway
  • Queue times on free tier
  • 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. Best for cinematic image-to-video. Pair with Runway for coverage.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.
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