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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
Claude Agent SDK
S
Figma AI
A
TaglineRun any open-source AI model with an API call.Anthropic's SDK for building your own agents on Claude.AI features baked into the design tool you already use.
CategoryDev PlatformAgentsDesign
PricingPay per second of computeAPI usage + SDK is freeIncluded with Figma plans
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers building custom agents for their own company/product.Designers already on Figma.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Developer-only
  • You build the UI
  • Features vary by plan + region
  • Still rolling out
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for builders. The right primitives. What Kai is built on under the hood.A-tier. No reason not to use it if you're on Figma. Not worth switching for.
LinkOpen →Open →Open →