# Bun 493 Hacker News commenters recommended Bun and 608 criticized it, November 2025 to November 2026. It was recommended in 12 of 13 months; owners who said how long report a median of 2 years (17 owners). **Verdict:** An all-in-one, fast JavaScript/TypeScript runtime with a bundler, test runner and rich standard library built in, though its AI-driven Rust rewrite raised stability and trust concerns. ## Why people recommend it - Batteries-included tooling (6 comments): "It consolidates a lot of really annoying nits and quality of life aspects like bundling, module resolution, testing, env handling, etc." ([source](https://news.ycombinator.com/item?id=49357647)) "More importantly Bun allows for simplicity. Install Bun, you get Bundler included and TypeScript just works, and it's blazing fast." ([source](https://news.ycombinator.com/item?id=47061158)) "I’d find Bun’s “batteries included” approach compelling, at least to the extent I decide I can trust Bun, after due diligence" ([source](https://news.ycombinator.com/item?id=49376917)) - TypeScript and modules just work (3 comments): "It just works. Whatever JavaScript/TypeScript file or dependencies I throw at it, it will run it without needing to figure out CJS or ESM, tsconfig, etc." ([source](https://news.ycombinator.com/item?id=46125160)) "More importantly Bun allows for simplicity. Install Bun, you get Bundler included and TypeScript just works, and it's blazing fast." ([source](https://news.ycombinator.com/item?id=47061158)) "It's basically the `node` development experience with all incidental frictions removed (but some segfaults added)" ([source](https://news.ycombinator.com/item?id=48240670)) - Faster than Node.js (4 comments): "It's a JavaScript runtime that dramatically improves on the performance of node.js to the point where it will likely completely deprecate it in the coming years." ([source](https://news.ycombinator.com/item?id=46680418)) "At least with bun you can compile with bytecode enabled. That, tree shaking and other optimizations our production app entire docker image is like 120mb..." ([source](https://news.ycombinator.com/item?id=48876671)) "More importantly Bun allows for simplicity. Install Bun, you get Bundler included and TypeScript just works, and it's blazing fast." ([source](https://news.ycombinator.com/item?id=47061158)) - Impressive Rust rewrite (5 comments): "Based on the rewrite blog post it's pretty clear that the Rust version is outperforming the Zig version by pretty much every measurable metric" ([source](https://news.ycombinator.com/item?id=48978633)) "It's still an impressive achievement that would have taken even the most competent engineers an exponentially longer time to accomplish." ([source](https://news.ycombinator.com/item?id=48077814)) "The bun Port is a phenomenal engineering achievement that would have taken a team of people over a year or two to deliver previously" ([source](https://news.ycombinator.com/item?id=49076038)) ## What people warn about - Rewrite introduced bugs and instability (8 comments): "introduced hundreds of bugs not caught by the tests and took over three months of human labour before being shipped as an actual release, and is still experiencing instability" ([source](https://news.ycombinator.com/item?id=50134908)) "they spent millions of dollars in tokens for the claimed 11 day sprint, and then spent an additional 3.5 months fixing hundreds of issues it introduced" ([source](https://news.ycombinator.com/item?id=50179380)) "You can tell what will happen when they release it before sorting out all the new bugs introduced by the not-exactly-line-by-line port." ([source](https://news.ycombinator.com/item?id=48968642)) - Unsafe, unidiomatic Rust port (5 comments): "Claude autonomously translating hacky Zig (according to Andrew Kelly #1) to unidiomatic (way more unsafe code that usual) Rust didn't solve the issues that the original code base already had." ([source](https://news.ycombinator.com/item?id=49361360)) "it's a pretty faithful rewrite. It seems like being near 1-1 with the original code was prioritized even more so than utilizing Rust's safety features since unsafe Rust is everywhere" ([source](https://news.ycombinator.com/item?id=48145547)) "I'm optimistic for that refactoring. But if one in 30 lines sprinkled all over everywhere is unsafe then you haven't actually done much to improve safety." ([source](https://news.ycombinator.com/item?id=49044496)) - Unreviewed AI-generated code (6 comments): "Bun's codebase and documentation increasingly becoming AI slop, and this impulsive complete rewrite - all of it has ruined it for me and I'm actively moving off of Bun." ([source](https://news.ycombinator.com/item?id=48017587)) "Rewriting the entire codebase into 1m loc that has never been read by a human is an obvious recipe for software that cannot be maintained" ([source](https://news.ycombinator.com/item?id=48186441)) "genuine concerns about the quality of bun that is openly being built making use of tools we as a whole know is problematic" ([source](https://news.ycombinator.com/item?id=48241986)) - Anthropic acquisition concerns (4 comments): "AI corp deep in the dev chain? I feel uncomfortable, because no one knows when they’ll start steering things into weird directions." ([source](https://news.ycombinator.com/item?id=46135513)) "no reader of tech news will take an acquisition of a company with four years of runway as anything but decreasing the odds their product will still be around" ([source](https://news.ycombinator.com/item?id=46124508)) "pre-releases the community don't get access to but released (Anthropic) applications do have access to, feels a bit too on the nose after the acquisition" ([source](https://news.ycombinator.com/item?id=48966817)) ## Alternatives hackers recommend - [Node.js](https://hackerapproved.com/p/node-js.md): 257 recommend - [Deno](https://hackerapproved.com/p/deno.md): 234 recommend - [Ant JavaScript runtime](https://hackerapproved.com/p/ant-javascript-runtime.md): 16 recommend - [workerd](https://hackerapproved.com/p/workerd.md): 13 recommend - [Mystral Native](https://hackerapproved.com/p/mystral-native.md): 7 recommend ## Cite as Hacker Approved, "Bun", https://hackerapproved.com/p/bun/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).