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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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OpenRouter
S
Galileo AI
B
GitHub Copilot
B
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Prompt to UI design. Figma-ready outputs.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Categorydev platformdesigncoding
PricingPay per token — model-dependentFree trial + paid plansFree (limited) + $10/mo Pro + $19/mo Business
Best forDevelopers experimenting across models. Apps that want fallback logic.Designers brainstorming first drafts.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Output needs designer polish
  • Pricing unclear / changes often
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.B-tier. Useful for first drafts. v0 is the better bet for shipping code.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
LinkOpen →Open →Open →