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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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Cursor
S
Groq
S
Qwen
A
TaglineVS Code fork that made AI coding actually work.The fastest AI inference in the world. Crazy low latency.Alibaba's open chat model. Multilingual + agentic.
Categorycodingdev platformchat
PricingFree + $20/mo Pro + $40/mo BusinessFree tier + pay-as-you-go APIFree web + API
Best forDevelopers. Non-developers who want to ship working code.Developers who need sub-100ms LLM responses.Vietnamese/Chinese content, SEA multilingual use, developers wanting open-weight tool-use.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Excellent Chinese + Vietnamese + SEA languages
  • Strong at tool-use + agentic workflows
  • Open weights (Qwen2.5, Qwen3)
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • English quality behind Claude/GPT
  • Less well-known outside Asia
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for speed. When latency is the product, start here.A-tier. The best open model for Vietnamese + Chinese. Don't sleep on it if you work in SEA.
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