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Bun vs Deno

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Bun vs Deno
Fact	Bun	Deno
Language	Rust	Rust
Licence	Other	MIT
Stars	96k	109k
Latest	bun-v1.4.2	v2.9.7
Last push	2026-10-06	2026-10-06
Release cadence	about 19 days between releases	about 17 days between releases
Active contributors	8+ commit authors on the default branch in the last 90 days	53 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Node.js. Alternatives to Node.js →
Full replacementBunAims at Node API compatibility, most packages run unchanged.
Full replacementDenoRuns most npm packages through its Node compatibility layer.
Both replace ts-node. Alternatives to ts-node →
Full replacementBunRuns TypeScript files directly, with no separate compile step.
Full replacementDenoRuns TypeScript files directly, with no separate compile step.