970: Why Did Anthropic Buy Bun?
Syntax - Tasty Web Development Treats
Wes Bos
4.9 • 1.2K Ratings
🗓️ 14 January 2026
⏱️ 45 minutes
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| 0:00.0 | Welcome to Syntax. We've got a potluck episode for you today. |
| 0:03.2 | Where's where you bring the questions, we bring the answers. Today we got really good questions on why did Anthropic by Bun? What UI are we using for Git? Are you using the terminal? Are you using lazy Git? Are you using the VS code GUI? Are GUIs better than the terminal? We're going to talk about that. Do all web experiences need to be accessible? |
| 0:21.2 | Somebody was saying, like, I love accessibility, but I want to, I'm building these like crazy |
| 0:26.3 | experiments and not everything is 100% accessible. Should I be putting this stuff out there? Another |
| 0:32.4 | question on how do I block malicious requests? So like bad ASNs. What is an ASN? How's that different from IP addresses? |
| 0:41.5 | Really good questions. Keep your questions coming, by the way. Go to syntax.com. There's a button that |
| 0:45.7 | says potluck. Ask us your question and we'll answer on a future episode. But let's get on into it. |
| 0:51.2 | First question from Brett Peary. Why did Anthropic buy Bun? So if you didn't hear the news |
| 0:57.5 | a couple weeks ago, Anthropic bought Bun, Bun, the JavaScript runtime. Why would they do that when |
| 1:04.2 | they can just ask Claude to make a run, JavaScript runtime? But this was, this is a pretty interesting |
| 1:09.5 | move. And the reason that they did this was because |
| 1:14.0 | the Claude code SDK runs on Bun, and they want to be able to ship the Claude code, not going to say |
| 1:24.4 | binary, but like the app itself. and they want to ship it ideally with |
| 1:29.5 | the JavaScript runtime. I'm pretty sure that's what they do right now as well. And in order to |
| 1:34.2 | make that thing as small and as fast as possible, and I'm assuming get the features in that they |
| 1:41.2 | necessarily need, it's great to bring Bun under their wing and have |
| 1:45.9 | them continue developing that. Yeah, it was interesting to me because it's like, Bun is such a |
| 1:51.5 | unique case where everything about Bun feels just a different approach than, like, whether |
| 1:58.7 | that is the fact that it's written with Zig or the fact |
| 2:01.2 | that they're unapologetically adding features that JavaScript, No.js, and other... |
| 2:08.0 | Non-standard APIs, just because they should be there. I personally, I do like using Bun. |
| 2:14.6 | There are enough mysterious times when I'm using Bun |
... |
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