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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
Taskade
B
Kling
A
TaglineRun any open-source AI model with an API call.Meeting notes, free forever for individuals.AI project management with agents for each team.Kuaishou's video model. The surprise standout.
CategoryDev PlatformMeetingsProductivityVideo
PricingPay per second of computeFree for individuals + $15-$29/user/mo teamsFree + $8-$20/user/moCredit-based, free trial
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Solo operators, freelancers, small teams on a budget.Small teams wanting AI baked into project management.Anyone who wants top-tier video quality for less.
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
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Bot-joining model
  • Team features gated
  • Feature sprawl
  • AI agents need tuning to be useful
  • UX is rough for English speakers
  • Queue times
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.B-tier. Solid product but crowded market. Try it if Notion AI feels too generic.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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