Python versions 3.13 and 3.14 are now available for use in Vercel Builds and Vercel Functions.  Python 3.14 is the new default version for new projects and deployments.

Vercel is a platform for deploying modern web applications with speed and simplicity, offering developers a seamless experience for hosting and scaling their projects. With features like instant deployment, serverless functions, and global CDN, Vercel empowers developers to focus on building great user experiences without worrying about infrastructure management.

Vercel

Python 3.13 and 3.14 are now supported in Vercel Builds and Functions, alongside the existing Python 3.12. Projects without a specified version currently default to Python 3.12, but this will change to Python 3.14 in the coming months. To maintain Python 3.12, developers need to specify version constraints in their pyproject.toml or Pipfile configuration files.

Python 3.13 and 3.14 are now available