v0
v0 is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Vercel (released 2023-10). v0 integrates with 3 verified models, including Claude Sonnet 4.6, Gemini 2.5 Pro, and GPT-4o (2024-11-20). Pricing starts at Freemium; Pro at $20/mo. It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup.
Overview
AI-powered UI generation tool that creates React/Next.js components and full-page designs from natural language prompts, with Shadcn UI and Tailwind CSS integration.
Featured Model Specs
| Model | Lab | Released | Context | Reasoning | Open source |
|---|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | 2026-02-17 | 1M | Yes | No |
| Gemini 2.5 Pro | Google DeepMind | 2025-06-17 | 1M | No | No |
| GPT-4o (2024-11-20) | OpenAI | 2024-11-20 | 128K | No | No |
Model Compatibility Matrix
| Model | Lab | Default | Access tier | Notes |
|---|---|---|---|---|
| GPT-4o (2024-11-20) | OpenAI | Yes | Free | Primary model |
| Claude Sonnet 4.6 | Anthropic | No | Premium | — |
| Gemini 2.5 Pro | Google DeepMind | No | Premium | — |
Underlying Models
Compare to Similar Harnesses
FAQ
What is v0?
v0 is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Vercel (released 2023-10). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup. It is primarily used for browser-based autonomous development and task delegation.
What models does v0 support?
v0 runs Claude Sonnet 4.6, Gemini 2.5 Pro, GPT-4o (2024-11-20).
How much does v0 cost?
v0 costs Freemium; Pro at $20/mo.
Is v0 open source?
No, v0 is a proprietary cloud-hosted coding environment.
What are alternatives to v0?
Alternatives include Bolt.new, Claude Cowork, and Jules.
When was v0 released?
v0 was released in 2023-10.