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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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Dev Platform
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Replicate
S
Figma AI
A
Claude Agent SDK
S
Perplexity
S
TaglineRun any open-source AI model with an API call.AI features baked into the design tool you already use.Anthropic's SDK for building your own agents on Claude.AI search done right. Cited answers, not chat theater.
CategoryDev PlatformDesignAgentsResearch
PricingPay per second of computeIncluded with Figma plansAPI usage + SDK is freeFree + $20/mo Pro
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Designers already on Figma.Developers building custom agents for their own company/product.Replacing Google for any question where you want a cited answer in seconds.
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
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Features vary by plan + region
  • Still rolling out
  • Developer-only
  • You build the UI
  • Not a general chatbot
  • Answers can be shallow on complex topics
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 builders. The right primitives. What Kai is built on under the hood.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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