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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
Fathom
S
Midjourney
S
ChatGPT Operator
B
TaglineRun any open-source AI model with an API call.Meeting notes, free forever for individuals.The aesthetic gold standard for AI image generation.OpenAI's browser agent. Clicks and types on websites for you.
CategoryDev PlatformMeetingsImageAgents
PricingPay per second of computeFree for individuals + $15-$29/user/mo teams$10-$120/moIncluded with ChatGPT Pro $200/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Solo operators, freelancers, small teams on a budget.Anyone who wants beautiful images without thinking about prompts.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
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Best-in-class art direction
  • v7 is stunning
  • Great style consistency
  • 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
  • Bot-joining model
  • Team features gated
  • No free tier
  • Discord-first UX (web now available)
  • Less controllable than ComfyUI
  • 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.S-tier for solo + free. The best free option, hands down.S-tier for aesthetics. If you care how it looks more than how it's made, this wins.B-tier. Still early. Manus is more flexible for less money.
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