Answer · Coding
What AI models does v0 use?
v0 runs on Claude Sonnet 4.5 (Anthropic) and GPT-5 (OpenAI).
- Models used
- 2
- Primary model
- Claude Sonnet 4.5
- Public API
- Not published
- Last checked
- 2026-08-02
Model claims are labelled by how we know them: Claude Sonnet 4.5 — disclosed and GPT-5 — inferred. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Other stack signals: Next.js, Vercel AI SDK and shadcn/ui.
Cite this answer
Tomorrow. “What AI models does v0 use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-08-02. https://tomorrow.aliensquad.ai/q/what-models-does-v0-use
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