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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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Cursor
S
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v0
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OpenRouter
S
TaglineVS Code fork that made AI coding actually work.Vector + raster AI for designers. Actually controls the output.Vercel's AI-powered UI generator. Prompt to shadcn component.One API, every model. Pay-as-you-go, no subscriptions.
CategoryCodingImageDesignDev Platform
PricingFree + $20/mo Pro + $40/mo BusinessFree + $12-$48/moFree + $20/moPay per token — model-dependent
Best forDevelopers. Non-developers who want to ship working code.Designers, brand teams, anyone needing vector output or tight style control.Frontend devs, PMs prototyping UIs, anyone on Next.js.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Best for shadcn stack
  • Iterating can be fiddly
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for designers. The only one that takes vectors seriously.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier for model-shopping. I use this for every prototype before committing.
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