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Vercel Functions Expands Package Size Support Up to 5GB

·2026.06.29 20:00

Key point

Vercel Functions has increased the package size limit 20x, from 250MB to 5GB, strengthening support for AI and data libraries.

Details

Vercel has significantly expanded the package size supported for Node.js and Python deployments via Fluid compute, from the previous 250MB to 5GB. This is a 20x increase compared to before, and it is currently offered as Public Beta.

With this update, the following large-scale workloads can now run smoothly on Vercel.

  • Python-based data and AI libraries
  • Large generative clients and browser automation dependencies
  • Image and video processing packages
  • Routes containing extensive shared application code

New projects are automatically enrolled in the beta, and existing projects can opt in by adding VERCEL_SUPPORT_LARGE_FUNCTIONS=1 to their environment variables. However, Large Functions require Fluid compute, and Secure Compute or Static IPs are not currently supported. Support for sizes of 10GB or more is planned for the future.

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