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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
Perplexity
S
Windsurf
A
TaglineThe fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.AI search done right. Cited answers, not chat theater.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryDev PlatformAgentsResearchCoding
PricingFree tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moFree + $20/mo ProFree + $15/mo Pro
Best forDevelopers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Replacing Google for any question where you want a cited answer in seconds.Developers who want Cursor-like power for less money.
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
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
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
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Smaller community
  • Model selection more limited
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 search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Close second to Cursor. If $5/mo matters, start here.
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