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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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S
Groq
S
ChatGPT Operator
B
Windsurf
A
TaglineAI search done right. Cited answers, not chat theater.The fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryResearchDev PlatformAgentsCoding
PricingFree + $20/mo ProFree tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moFree + $15/mo Pro
Best forReplacing Google for any question where you want a cited answer in seconds.Developers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Developers who want Cursor-like power for less money.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • 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
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • 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
  • Smaller community
  • Model selection more limited
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 speed. When latency is the product, start here.B-tier. Still early. Manus is more flexible for less money.A-tier. Close second to Cursor. If $5/mo matters, start here.
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