The End of Programming

Bun 1.4, released last week, was completely rewritten from Zig to Rust, adding 1,009,257 lines and removing 4,024. A single developer used a pre-release Fable 5 model with an unlimited token budget, generating 6,778 commits in 11 days at an estimated $165 k API cost. The author claims this scale of AI-generated code predicts manual programming’s decline, with future software built by autonomous agents and only reviewed by humans.