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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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ChatGPT Operator
B
Groq
S
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Claude Agent SDK
S
TaglineOpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.AI search done right. Cited answers, not chat theater.Anthropic's SDK for building your own agents on Claude.
CategoryAgentsDev PlatformResearchAgents
PricingIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go APIFree + $20/mo ProAPI usage + SDK is free
Best forPower users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.Replacing Google for any question where you want a cited answer in seconds.Developers building custom agents for their own company/product.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Developer-only
  • You build the UI
Kai's verdictB-tier. Still early. Manus is more flexible for less money.S-tier for speed. When latency is the product, start here.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for builders. The right primitives. What Kai is built on under the hood.
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