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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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Dev Platform
Audio
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Meetings
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Productivity
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Perplexity
S
Groq
S
Kling
A
Fathom
S
TaglineAI search done right. Cited answers, not chat theater.The fastest AI inference in the world. Crazy low latency.Kuaishou's video model. The surprise standout.Meeting notes, free forever for individuals.
CategoryResearchDev PlatformVideoMeetings
PricingFree + $20/mo ProFree tier + pay-as-you-go APICredit-based, free trialFree for individuals + $15-$29/user/mo teams
Best forReplacing Google for any question where you want a cited answer in seconds.Developers who need sub-100ms LLM responses.Anyone who wants top-tier video quality for less.Solo operators, freelancers, small teams on a budget.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • UX is rough for English speakers
  • Queue times
  • Bot-joining model
  • Team features gated
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for speed. When latency is the product, start here.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for solo + free. The best free option, hands down.
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