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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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Chatbots
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Image
Video
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Meetings
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Audio
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Kling
A
Replicate
S
Fathom
S
ChatGPT Operator
B
TaglineKuaishou's video model. The surprise standout.Run any open-source AI model with an API call.Meeting notes, free forever for individuals.OpenAI's browser agent. Clicks and types on websites for you.
CategoryVideoDev PlatformMeetingsAgents
PricingCredit-based, free trialPay per second of computeFree for individuals + $15-$29/user/mo teamsIncluded with ChatGPT Pro $200/mo
Best forAnyone who wants top-tier video quality for less.Developers using open-source models (Flux, SDXL, Whisper, etc).Solo operators, freelancers, small teams on a budget.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • 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
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • UX is rough for English speakers
  • Queue times
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Bot-joining model
  • Team features gated
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictA-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for open-source model APIs. The default in this space.S-tier for solo + free. The best free option, hands down.B-tier. Still early. Manus is more flexible for less money.
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