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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.
Pick tools (3 selected)
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Windsurf
A
Flux (Black Forest Labs)
A
Qwen
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Open weights + strong photorealism. The open-source answer.Alibaba's open chat model. Multilingual + agentic.
Categorycodingimagechat
PricingFree + $15/mo ProAPI + open weights (Schnell is Apache 2.0)Free web + API
Best forDevelopers who want Cursor-like power for less money.Developers + power users who want control and privacy.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
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Excellent Chinese + Vietnamese + SEA languages
  • Strong at tool-use + agentic workflows
  • Open weights (Qwen2.5, Qwen3)
Weaknesses
  • Smaller community
  • Model selection more limited
  • Harder to use than hosted tools
  • Needs infra
  • 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. S-tier if you self-host. The reason open-source image gen matters.A-tier. The best open model for Vietnamese + Chinese. Don't sleep on it if you work in SEA.
LinkOpen →Open →Open →