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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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Claude Code
S
Figma AI
A
Cartesia
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.AI features baked into the design tool you already use.Ultra-low-latency voice. Built for realtime agents.
Categorycodingdesignvoice
PricingPart of Claude Pro/Max/Team plansIncluded with Figma plansFree tier + usage-based API
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Designers already on Figma.Developers building voice agents, phone bots, interactive apps.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • < 90ms latency — the fastest in the market
  • Sonic model sounds natural
  • Developer-friendly API
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Features vary by plan + region
  • Still rolling out
  • Fewer voices than ElevenLabs
  • Less consumer-facing brand
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for realtime. If latency matters more than voice catalog, start here.
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