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Anthropic acquires Bun

bun.com

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Re: Anthropic acquires Bun

#661
post #483

Earlier quoted context omitted.

Currently Claude etc. can interact with services (including AWS) via MCPs. What the user you're replying to is saying the Bun acquisition looks silly as a dev tool for Node. However if you look at their binding work for services like s3[0], the LLM will be able to interact directly with cloud services directly (lower latency, tighter integration, simplified deployment). 0: https://bun.com/docs/runtime/s3

An AI company scoops up frontend tech. Do you really think it was because of s3?

Bun is not really frontend tech

Re: Anthropic acquires Bun

#662
post #361

I work on Bun. Happy to answer any questions

Amazing news, congrats! Been using Bun for a long while now and I love it.

Is there anything I could do to improve this PR/get a review? I understand you are def very busy right now with the acquisition, but wanted to give my PR the best shot:

https://github.com/oven-sh/bun/pull/24514

Re: Anthropic acquires Bun

#663
post #520

Earlier quoted context omitted.

Yea - if you want a paranoidly-sandboxed, instant-start, high-concurrency environment, not just on beefy servers but on resource-constrained/client devices as well, you need experts in V8 integration shenanigans. Cloudflare Workers had Kenton Varda, who had been looking at lightweight serverless architecture at Sandstorm years ago. Anthropic needs this too, for all the reasons above. Makes all the sense in the world.

you left out the best part...what happened to Kenton? He looked at lightweight serverless architecture..and then what?

I built Cloudflare Workers?

Re: Anthropic acquires Bun

#664
post #105

Earlier quoted context omitted.

But how is another company that is also VC backed and losing money providing stability for Bun? How long before we hear about “Our Amazing Journey”? On the other hand, I would rather see someone like Bun have a successful exit where the founders seem to have started out with a passion project, got funding, built something out they were excited about and then exit than yet another AI company by non technical founders…

Anthropic may be losing money, but a company with $7bn revenue run rate ( https://www.anthropic.com/news/statement-dario-amodei-americ... ) is a whole lot healthier than a company with a revenue of 0.

They don't need revenue, they need a community. I don't know how this acquisition will affect that.

Re: Anthropic acquires Bun

#665
post #660

Earlier quoted context omitted.

It’s relevant enough that I feel I can roll out this bash.org classic… Saying that Java is nice because it works on all OS's is like saying that anal sex is nice because it works on all genders EDIT: someone has (much to my joy) made an archive of bash.org so here is a link[1], but I must say I’m quite jealous of today’s potential 1/10,000[2] who will discover bash.org from my comment! [1] https://bash-org-archive.co…

Not discovered from scratch, but was a big fan when it was alive and kicking. Went there from time to time to get some mood boosters. So was very sad when found that it's gone (original one). Thanks a lot for sharing that bash-org-archive.com exists, what a great fun going down this memory lane.

I’ve been browsing the archive since I left that comment, they really were the good old days weren’t they. IRC was my introduction to geekdom, and I don’t think it would be unreasonable to say it shaped my life. Here I am 30-ish years later, an old man yelling at clouds — and I wouldn’t change much!

If anyone ever requested/used an eggdrop(?) bot from #farmbots or #wildbots on quakenet then thanks to you too; that was certainly one of the next steps down the path I took. A (probably very injectable) PHP blog and a bunch of TCL scripts powering bots, man I wish I could review that code now.

Re: Anthropic acquires Bun

#666
post #497

Earlier quoted context omitted.

It's fine but why is Js a good language for agents? I mean sure its faster than python but wouldn't something that compiles to native be much better?

JS has the fastest, most robust and widely deployed sandboxing engines (V8, followed closely by JavaScriptCore which is what Bun uses). It also has TypeScript which pairs well with agentic coding loops, and compiles to the aforementioned JavaScript which can run pretty much anywhere.

Not to mention the saturation of training data

Re: Anthropic acquires Bun

#667

Earlier quoted context omitted.

I'm sort of surprised to see that you used Claude Code so much. I had a vague idea that "Zig people" were generally "Software You Can Love" or "Handmade Software Movement" types, about small programs, exquisitely hand-written, etc, etc. And I know Bun started with an extreme attention to detail around performance. I would have thought LLM-generated code would run a bit counter to both of those. I had sort of carved t…

I'm not sure about exquisite and small. Bun genuinely made me doubt my understanding of what good software engineering is. Just take a look at their code, here are a few examples: - this hand-rolled JS parser of 24k dense, memory-unsafe lines: https://github.com/oven-sh/bun/blob/c42539b0bf5c067e3d085646... (this is a version from quite a while ago to exclude LLM impact) - hand-rolled re-implementation of S3 directory…

I can't speak as much about the last two examples, but writing a giant parser file is pretty common in Zig from what I've seen. Here's Zig's own parser, for example[1]. I'm also not sure what you mean by memory unsafe, since all slices have bounds checks. It also looks like this uses an arena allocator, so lifetime tracking is pretty simple (dump everything onto the allocator, and copy over the result at the end). Granted, I could be misunderstanding the code, but that's the read I get of it.

[1] https://codeberg.org/ziglang/zig/src/commit/be9649f4ea5a32fd...

Re: Anthropic acquires Bun

#668
post #497

Earlier quoted context omitted.

It's fine but why is Js a good language for agents? I mean sure its faster than python but wouldn't something that compiles to native be much better?

JS has the fastest, most robust and widely deployed sandboxing engines (V8, followed closely by JavaScriptCore which is what Bun uses). It also has TypeScript which pairs well with agentic coding loops, and compiles to the aforementioned JavaScript which can run pretty much anywhere.

[dead]

Re: Anthropic acquires Bun

#669
post #560

Earlier quoted context omitted.

Not in the browser, and no – webassembly doesn't count, otherwise you can say the same about Go and others.

Wasm does count, and you can say the same about Go and others.

Sure, they run, but they can't touch the DOM or do much that's very interesting without JavaScript.

Re: Anthropic acquires Bun

#670
post #386

> At the time of writing, Bun's monthly downloads grew 25% last month (October, 2025), passing 7.2 million monthly downloads. We had over 4 years of runway to figure out monetization. We didn't have to join Anthropic. I believe this completely. They didn't have to join, which means they got a solid valuation. > Instead of putting our users & community through "Bun, the VC-backed startups tries to figure out monetizat…

> They didn't have to join, which means they got a solid valuation. This isn't really true. It's more about who wanted them to join. Maybe it was Anthropic who really wanted to take over Bun/hire Jarred, or it was Jarred who got sick of Bun and wanted to work on AI. I don't really know any details about this acquisition, and I assume it's the former, but acquihires are also done for other reasons than "it was the onl…

Can't edit my comment anymore but Bun posted a pretty detailed explanation of their motivation here: https://bun.com/blog/bun-joins-anthropic

Sounds like "monetizing Bun is a distraction, so we're letting a deep-pocketed buyer finance Bun moving forward".

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