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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
OpenRouter
S
Luma Dream Machine
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.One API, every model. Pay-as-you-go, no subscriptions.Smooth, cinematic motion. Image-to-video specialist.
Categorycodingdev platformvideo
PricingFree + $15/mo ProPay per token — model-dependentFree + $10-$500/mo
Best forDevelopers who want Cursor-like power for less money.Developers experimenting across models. Apps that want fallback logic.Photographers animating stills, cinematic b-roll.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Smaller community
  • Model selection more limited
  • Slight markup over direct API
  • Some provider features not exposed
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for model-shopping. I use this for every prototype before committing.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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