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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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DeepSeek
S
Claude
S
Qwen
A
Le Chat (Mistral)
B
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.Anthropic's flagship — best reasoning + longest useful context.Alibaba's open chat model. Multilingual + agentic.French alternative. Fast, European, privacy-focused.
Categorychatchatchatchat
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free + $20/mo Pro + team/enterpriseFree web + APIFree + $15/mo Pro
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Long writing, code, careful thinking, documents over 50 pages.Vietnamese/Chinese content, SEA multilingual use, developers wanting open-weight tool-use.European users with data residency needs. Fans of open-weight models.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Excellent Chinese + Vietnamese + SEA languages
  • Strong at tool-use + agentic workflows
  • Open weights (Qwen2.5, Qwen3)
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Image generation is weak
  • No native web search on all tiers
  • English quality behind Claude/GPT
  • Less well-known outside Asia
  • Smaller capability gap vs frontier models
  • Less polished UX
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.A-tier. The best open model for Vietnamese + Chinese. Don't sleep on it if you work in SEA.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.
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