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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
ChatGPT Operator
B
Fathom
S
Elicit
S
TaglineThe fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.Meeting notes, free forever for individuals.AI research assistant for academic literature.
CategoryDev PlatformAgentsMeetingsResearch
PricingFree tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moFree for individuals + $15-$29/user/mo teamsFree + $12-$42/mo
Best forDevelopers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Solo operators, freelancers, small teams on a budget.Grad students, researchers, anyone doing literature reviews.
Strengths
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
Weaknesses
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Bot-joining model
  • Team features gated
  • Academic-only
  • Can hallucinate citations — verify everything
Kai's verdictS-tier for speed. When latency is the product, start here.B-tier. Still early. Manus is more flexible for less money.S-tier for solo + free. The best free option, hands down.S-tier for academic research. Nothing else comes close for systematic reviews.
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