v0 by Vercel

Key Features

• React component generation from text prompts
• Image-to-component: upload a screenshot or design to generate matching code
• shadcn/ui and Tailwind CSS as default output stack
• TypeScript strict output with proper prop types
• Iterative editing: describe changes and component updates in real time
• Next.js App Router compatible code out of the box
• One-click deploy to Vercel from generated project
• Component library: browse and remix community-generated components

Pros & cons

Pricing

Now hosted at v0.app (v0.dev redirects). Paid plans include matching monthly credits plus $2/day login credits; usage also billed per-model token rates (v0 Mini/Pro/Max/Max Fast).

Tips & Best Practices

1. Upload a Figma screenshot or wireframe instead of writing a text prompt for layout-heavy components — image prompts produce more accurate results
2. Ask v0 to "use composition" for complex components — it tends to produce better-structured, reusable code
3. Copy only the specific component you need rather than the entire page scaffold — it integrates more cleanly into existing projects

Alternatives to v0 by Vercel

Final Recommendation

v0 by Vercel is a freemium AI tool best suited for Next.js and React developers using the shadcn/ui stack, Developers prototyping UI without a designer.