Python Vercel Functions bundle size limit increased to 500MB

Published: (February 24, 2026 at 08:00 AM EST)
1 min read

Source: Vercel Blog

The bundle size limit for Vercel Functions using the Python runtime is now 500 MB, increasing the maximum uncompressed deployment bundle size from 250 MB.

Learn more in the functions limitations documentation, or deploy FastAPI or Flask on Vercel to get started.

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