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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
Kling
A
Figma AI
A
Devin
A
TaglineRun any open-source AI model with an API call.Kuaishou's video model. The surprise standout.AI features baked into the design tool you already use.Cognition Labs' autonomous coding engineer.
CategoryDev PlatformVideoDesignAgents
PricingPay per second of computeCredit-based, free trialIncluded with Figma plans$500/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Anyone who wants top-tier video quality for less.Designers already on Figma.Engineering teams offloading tickets. Ops/platform work.
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
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • UX is rough for English speakers
  • Queue times
  • Features vary by plan + region
  • Still rolling out
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
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. No reason not to use it if you're on Figma. Not worth switching for.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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