Zig Creator Blasts Anthropic's Bun Rewrite as AI Hype

The Bun Rewrite: A Technical Decision or a Marketing Stunt?

In a move that has sent shockwaves through the developer community, Zig creator Andrew Kelley has publicly excoriated Anthropic over its decision to port the Bun runtime from Zig to Rust. The controversy, which erupted after Anthropic's subsidiary Bun published a belated explanation of the migration, has become a flashpoint in the ongoing debate about AI's role in software engineering.

Kelley's response, published on his personal blog, was unusually blunt. He described the Bun team's engineering practices as a