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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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Claude Code
S
ChatGPT Operator
B
Groq
S
Claude Agent SDK
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.OpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.Anthropic's SDK for building your own agents on Claude.
CategoryCodingAgentsDev PlatformAgents
PricingPart of Claude Pro/Max/Team plansIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go APIAPI usage + SDK is free
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Power users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.Developers building custom agents for their own company/product.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • 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
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • 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
  • Developer-only
  • You build the UI
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.B-tier. Still early. Manus is more flexible for less money.S-tier for speed. When latency is the product, start here.S-tier for builders. The right primitives. What Kai is built on under the hood.
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