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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
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Perplexity
S
Kling
A
Fathom
S
Groq
S
TaglineAI search done right. Cited answers, not chat theater.Kuaishou's video model. The surprise standout.Meeting notes, free forever for individuals.The fastest AI inference in the world. Crazy low latency.
CategoryResearchVideoMeetingsDev Platform
PricingFree + $20/mo ProCredit-based, free trialFree for individuals + $15-$29/user/mo teamsFree tier + pay-as-you-go API
Best forReplacing Google for any question where you want a cited answer in seconds.Anyone who wants top-tier video quality for less.Solo operators, freelancers, small teams on a budget.Developers who need sub-100ms LLM responses.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • 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
  • 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
  • UX is rough for English speakers
  • Queue times
  • Bot-joining model
  • Team features gated
  • 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.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.S-tier for speed. When latency is the product, start here.
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