Bun 1.4 is now available in Vercel Functions

UpdateAug 20, 2026VerifiedAdded Sep 22, 2026

Vercel Functions now support the new Bun 1.4 release , a rewrite of Bun from Zig to Rust, with over 2,900 issues resolved, more than 1,500 additional Node.js compatibility tests passing, and new features and performance improvements.

Pricing Performance

Read Vercel's release notes

https://vercel.com/changelog/bun-1-4-is-now-available-in-vercel-functions

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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