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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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Replicate
S
Figma AI
A
Perplexity
S
Claude Agent SDK
S
TaglineRun any open-source AI model with an API call.AI features baked into the design tool you already use.AI search done right. Cited answers, not chat theater.Anthropic's SDK for building your own agents on Claude.
CategoryDev PlatformDesignResearchAgents
PricingPay per second of computeIncluded with Figma plansFree + $20/mo ProAPI usage + SDK is free
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Designers already on Figma.Replacing Google for any question where you want a cited answer in seconds.Developers building custom agents for their own company/product.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Features vary by plan + region
  • Still rolling out
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Developer-only
  • You build the UI
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for builders. The right primitives. What Kai is built on under the hood.
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