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S
Kling
A
Devin
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Granola
S
TaglineRun any open-source AI model with an API call.Kuaishou's video model. The surprise standout.Cognition Labs' autonomous coding engineer.Meeting notes that don't suck. Runs locally, no bot joins.
CategoryDev PlatformVideoAgentsMeetings
PricingPay per second of computeCredit-based, free trial$500/moFree + $18/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Anyone who wants top-tier video quality for less.Engineering teams offloading tickets. Ops/platform work.Founders, execs, consultants who live in calls.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • UX is rough for English speakers
  • Queue times
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Mac-only
  • Single-user by design
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier. Category-defining UX. If you take notes in meetings, switch this week.
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