Source: https://seerepo.com/compare/denoland/deno/vs/web-infra-dev/rspack
Markdown source: https://seerepo.com/compare/denoland/deno/vs/web-infra-dev/rspack.md
Description: deno and rspack share 5 technologies: hashlink, Tokio, cssparser, tracing, and tracing-subscriber. Both are written in Rust.

# deno vs rspack

deno and rspack share 5 technologies: hashlink, Tokio, cssparser, tracing, and tracing-subscriber. Both are written in Rust.

- [denoland/deno](https://seerepo.com/r/denoland/deno): A modern runtime for JavaScript and TypeScript.
- [web-infra-dev/rspack](https://seerepo.com/r/web-infra-dev/rspack): Fast Rust-based bundler for the web with a modernized webpack API 🦀

## What they share and what sets them apart

- In common: hashlink, Tokio, cssparser, tracing, tracing-subscriber
- Only in deno: rusqlite, SQLite, denokv_proto, denokv_remote, denokv_sqlite, deno_core, deno_lib, deno_snapshots, tower, laufey, deno_terminal, wgpu, wgpu-types, crossterm, ed25519-dalek, hmac, keyring, argon2, hkdf, pbkdf2, deno_image, jsonc-parser, image, lcms2, yaml_parser, zip, backhand, cab, cfb, msi, plist, deno_webidl, log, OpenTelemetry, opentelemetry-otlp, tracing-opentelemetry, env_logger, opentelemetry-http, opentelemetry-semantic-conventions
- Only in rspack: React, Vue, wasmtime, lightningcss, indicatif, html-escape, tracy-client

## Side by side

| | deno | rspack |
|---|---|---|
| Size | 1,217,014 lines written, 1,347 code files | 772,639 lines written, 1,689 code files |
| Who writes it | 2.4% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Codex | 1.6% of its commits signed by AI. With GitHub Copilot, Claude Code, Cursor, Codex, and Amp |
| Activity | Last push October 29, 2026, 17,392 commits, 108,924 stars | Last push November 10, 2026, 10,168 commits, 12,973 stars |
| Tests | 4,393 test files. 6.1% of its code files have a test that imports them | 13,282 test files. 2.9% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, deno or rspack?

deno, with 1,217,014 lines written; rspack has 772,639.

The proof: [denoland/deno's code at commit e7b39eb](https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)

### Which has more GitHub stars, deno or rspack?

deno, with 108,924 stars; rspack has 12,973.

The proof: [denoland/deno on GitHub](https://github.com/denoland/deno)

### Which has more tests, deno or rspack?

rspack, with 13,282 test files; deno has 4,393.

The proof: [web-infra-dev/rspack's code at commit ec5f6bd](https://github.com/web-infra-dev/rspack/tree/ec5f6bd360f11ae615f8ee5b7773021dff02fd48)

### Which was updated more recently, deno or rspack?

rspack: its last push was on November 10, 2026, and deno's on October 29, 2026.

The proof: [web-infra-dev/rspack's commits on GitHub](https://github.com/web-infra-dev/rspack/commits)

### Which has more commits signed by AI, deno or rspack?

deno: an AI signed 2.4% of its commits, with Claude Code, GitHub Copilot, Cursor, and Codex; in rspack, 1.6%.

The proof: [the commits each tool signed in denoland/deno](https://seerepo.com/r/denoland/deno/ai)

## Sources

- denoland/deno: Read on November 9, 2026, at commit e7b39eb (https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)
- web-infra-dev/rspack: Read on November 10, 2026, at commit ec5f6bd (https://github.com/web-infra-dev/rspack/tree/ec5f6bd360f11ae615f8ee5b7773021dff02fd48)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.