Jarred Sumner / bun.com:

Bun creator says he rewrote Bun from Zig to Rust using a pre-release version of Claude Fable 5 in 11 days; the task would've taken three engineers about a year  —  Disclosure: Bun was acquired by Anthropic in December 2025.  I and others on the Bun team work at Anthropic.

Jarred Sumner / bun.com:

Bun creator says he rewrote Bun from Zig to Rust using a pre-release version of Claude Fable 5 in 11 days; the task would've taken three engineers about a year  —  Disclosure: Bun was acquired by Anthropic in December 2025.  I and others on the Bun team work at Anthropic.

Source: TechMeme
Source Link: https://www.techmeme.com/260709/p24#a260709p24