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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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Fathom
S
Groq
S
Suno
S
Perplexity
S
TaglineMeeting notes, free forever for individuals.The fastest AI inference in the world. Crazy low latency.Prompt to full song with vocals, instruments, the works.AI search done right. Cited answers, not chat theater.
CategoryMeetingsDev PlatformAudioResearch
PricingFree for individuals + $15-$29/user/mo teamsFree tier + pay-as-you-go APIFree + $10/mo + $30/moFree + $20/mo Pro
Best forSolo operators, freelancers, small teams on a budget.Developers who need sub-100ms LLM responses.Jingles, intros, demos, sketches, personal use.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • 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
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Bot-joining model
  • Team features gated
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Copyright gray zone
  • Audio quality behind studio
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for solo + free. The best free option, hands down.S-tier for speed. When latency is the product, start here.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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