v0-1.5-md & v0-1.5-lg now in beta on the Models API
Vercel's v0 now supports 512K context. Developers can build larger, more complex AI features without model-swapping.

Why it matters
Vercel is expanding v0's model capabilities on its API layer, enabling developers to build AI-powered products with longer context windows. This matters for founders scaling AI features without managing multiple model providers.
The key facts
8 to knowv0-1.5-md: 128K token context now in beta
v0-1.5-lg: 512K token context now in beta
Available on Vercel Models API
Released June 9, 2025
v0-1.5-md model: 128K token context
v0-1.5-lg model: 512K token context
Beta availability on Vercel Models API
Published June 9, 2025
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Beta access is now available for (128K token context) and (512K token context) on our Models API.v0-1.5-mdv0-1.5-lg For full details and examples, see the Models API docs:

