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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
Flux (Black Forest Labs)
A
Sora
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Open weights + strong photorealism. The open-source answer.OpenAI's video model. Long clips, cinematic quality.
Categorycodingimagevideo
PricingFree + $15/mo ProAPI + open weights (Schnell is Apache 2.0)Included with ChatGPT Plus/Pro
Best forDevelopers who want Cursor-like power for less money.Developers + power users who want control and privacy.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Smaller community
  • Model selection more limited
  • Harder to use than hosted tools
  • Needs infra
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
LinkOpen →Open →Open →