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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.
Pick tools (3 selected)
Chatbots
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OpenRouter
S
ChatGPT Operator
B
Lex
A
TaglineOne API, every model. Pay-as-you-go, no subscriptions.OpenAI's browser agent. Clicks and types on websites for you.Google Docs with an AI collaborator baked in.
CategoryDev PlatformAgentsWriting
PricingPay per token — model-dependentIncluded with ChatGPT Pro $200/moFree + $12/mo
Best forDevelopers experimenting across models. Apps that want fallback logic.Power users willing to pay $200/mo for a browser bot.Essays, long-form drafts, thinking on the page.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.B-tier. Still early. Manus is more flexible for less money.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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