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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
Research
Agents
Coding
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Image
Video
Voice
Meetings
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Productivity
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Data
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Perplexity
S
Fathom
S
Kling
A
Groq
S
TaglineAI search done right. Cited answers, not chat theater.Meeting notes, free forever for individuals.Kuaishou's video model. The surprise standout.The fastest AI inference in the world. Crazy low latency.
CategoryResearchMeetingsVideoDev Platform
PricingFree + $20/mo ProFree for individuals + $15-$29/user/mo teamsCredit-based, free trialFree tier + pay-as-you-go API
Best forReplacing Google for any question where you want a cited answer in seconds.Solo operators, freelancers, small teams on a budget.Anyone who wants top-tier video quality for less.Developers who need sub-100ms LLM responses.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • 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
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Bot-joining model
  • Team features gated
  • UX is rough for English speakers
  • Queue times
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
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 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 speed. When latency is the product, start here.
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