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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
Kling
A
Qwen
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Kuaishou's video model. The surprise standout.Alibaba's open chat model. Multilingual + agentic.
Categorycodingvideochat
PricingFree + $15/mo ProCredit-based, free trialFree web + API
Best forDevelopers who want Cursor-like power for less money.Anyone who wants top-tier video quality for less.Vietnamese/Chinese content, SEA multilingual use, developers wanting open-weight tool-use.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Excellent Chinese + Vietnamese + SEA languages
  • Strong at tool-use + agentic workflows
  • Open weights (Qwen2.5, Qwen3)
Weaknesses
  • Smaller community
  • Model selection more limited
  • UX is rough for English speakers
  • Queue times
  • English quality behind Claude/GPT
  • Less well-known outside Asia
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier. The best open model for Vietnamese + Chinese. Don't sleep on it if you work in SEA.
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