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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
Groq
S
Fathom
S
Cursor
S
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.The fastest AI inference in the world. Crazy low latency.Meeting notes, free forever for individuals.VS Code fork that made AI coding actually work.
CategoryChatbotsDev PlatformMeetingsCoding
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free tier + pay-as-you-go APIFree for individuals + $15-$29/user/mo teamsFree + $20/mo Pro + $40/mo Business
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Developers who need sub-100ms LLM responses.Solo operators, freelancers, small teams on a budget.Developers. Non-developers who want to ship working code.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Bot-joining model
  • Team features gated
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.S-tier for speed. When latency is the product, start here.S-tier for solo + free. The best free option, hands down.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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