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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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Groq
S
Fathom
S
Kling
A
Cursor
S
TaglineThe fastest AI inference in the world. Crazy low latency.Meeting notes, free forever for individuals.Kuaishou's video model. The surprise standout.VS Code fork that made AI coding actually work.
CategoryDev PlatformMeetingsVideoCoding
PricingFree tier + pay-as-you-go APIFree for individuals + $15-$29/user/mo teamsCredit-based, free trialFree + $20/mo Pro + $40/mo Business
Best forDevelopers who need sub-100ms LLM responses.Solo operators, freelancers, small teams on a budget.Anyone who wants top-tier video quality for less.Developers. Non-developers who want to ship working code.
Strengths
  • 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
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Bot-joining model
  • Team features gated
  • UX is rough for English speakers
  • Queue times
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictS-tier for speed. When latency is the product, start here.S-tier for solo + free. The best free option, hands down.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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