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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
ChatGPT Operator
B
Groq
S
Khanmigo
S
TaglineRun any open-source AI model with an API call.OpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.Khan Academy's AI tutor. Socratic method, built for learning.
CategoryDev PlatformAgentsDev PlatformEducation
PricingPay per second of computeIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go API$4/mo (free for teachers)
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Power users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.Students K-12. Parents helping with homework. Teachers prepping lessons.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • 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
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
Kai's verdictS-tier for open-source model APIs. The default in this space.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 kids learning. The tutoring UX is legit — not a generic chatbot dressed up.
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