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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
Hex
A
Lex
A
TaglineRun any open-source AI model with an API call.OpenAI's browser agent. Clicks and types on websites for you.Modern data notebook with Magic AI assistant.Google Docs with an AI collaborator baked in.
Categorydev platformagentsdatawriting
PricingPay per second of computeIncluded with ChatGPT Pro $200/moFree + $28+/user/moFree + $12/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Power users willing to pay $200/mo for a browser bot.Data teams at startups + enterprises.Essays, long-form drafts, thinking on the page.
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
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
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
  • Overkill for casual users
  • Enterprise pricing
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
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.A-tier for data teams. S-tier if you already live in SQL + Python.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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