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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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Windsurf
A
Figma AI
A
Cartesia
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.AI features baked into the design tool you already use.Ultra-low-latency voice. Built for realtime agents.
Categorycodingdesignvoice
PricingFree + $15/mo ProIncluded with Figma plansFree tier + usage-based API
Best forDevelopers who want Cursor-like power for less money.Designers already on Figma.Developers building voice agents, phone bots, interactive apps.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • 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
  • Smaller community
  • Model selection more limited
  • Features vary by plan + region
  • Still rolling out
  • Fewer voices than ElevenLabs
  • Less consumer-facing brand
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.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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