v0 Review 2026: AI-Powered React UI Generation by Vercel

What Is v0?

v0 is Vercel’s AI-powered UI generation tool. It takes text descriptions or screenshots and produces production-ready React and Next.js components using shadcn/ui, Tailwind CSS, and Radix UI. It is a specialized tool for frontend component generation, not a general-purpose AI coding assistant.

What Sets It Apart

v0 excels at a specific workflow: turning design intent into working React components. Describe a component — “a pricing page with three tiers, a toggle for monthly/annual billing, and a highlighted recommended plan” — and v0 generates a complete, styled, accessible component using shadcn/ui primitives. The output quality is consistently high for the React/Next.js stack.

Screenshot-to-code is practical rather than gimmicky. Upload a design mockup or wireframe and v0 recreates it as a React component with reasonable accuracy in layout, spacing, and styling. It is not pixel-perfect, but close enough to save substantial manual work as a starting point.

The iterative refinement workflow is smooth. After initial generation, you modify the output through conversation — “make the header sticky,” “add dark mode support,” “change the accent to indigo” — and v0 updates the component accordingly. Generated code uses standard React patterns with no proprietary framework lock-in.

The deliberate limitation is scope. v0 is React/Next.js only — no Vue, Svelte, or Angular. It generates frontend components only, with no backend or API generation. For full-stack generation, tools like Bolt and Lovable cover more ground. v0 is a supplement to your broader toolkit, designed to accelerate the specific task of building React UIs.

Who It’s For

• React and Next.js developers who build UI components frequently
• Frontend developers converting designs and mockups into code
• Teams using shadcn/ui who want to accelerate component development
• Not ideal for backend developers, non-React frameworks, or anyone looking for a general-purpose AI coding assistant

Sources

• v0
• Documentation
• Pricing