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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
Taskade
B
Lex
A
ChatGPT Operator
B
TaglineRun any open-source AI model with an API call.AI project management with agents for each team.Google Docs with an AI collaborator baked in.OpenAI's browser agent. Clicks and types on websites for you.
Categorydev platformproductivitywritingagents
PricingPay per second of computeFree + $8-$20/user/moFree + $12/moIncluded with ChatGPT Pro $200/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Small teams wanting AI baked into project management.Essays, long-form drafts, thinking on the page.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Feature sprawl
  • AI agents need tuning to be useful
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictS-tier for open-source model APIs. The default in this space.B-tier. Solid product but crowded market. Try it if Notion AI feels too generic.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.B-tier. Still early. Manus is more flexible for less money.
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