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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
Galileo AI
B
Claude Agent SDK
S
TaglineVS Code fork that made AI coding actually work.Prompt to UI design. Figma-ready outputs.Anthropic's SDK for building your own agents on Claude.
Categorycodingdesignagents
PricingFree + $20/mo Pro + $40/mo BusinessFree trial + paid plansAPI usage + SDK is free
Best forDevelopers. Non-developers who want to ship working code.Designers brainstorming first drafts.Developers building custom agents for their own company/product.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Output needs designer polish
  • Pricing unclear / changes often
  • Developer-only
  • You build the UI
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.B-tier. Useful for first drafts. v0 is the better bet for shipping code.S-tier for builders. The right primitives. What Kai is built on under the hood.
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