If AI writes your code, why use Python?

AI coding assistants have quietly erased the biggest advantage of Python and TypeScript: ease of development. Models like Claude and GPT-5.5 now write Rust and Go well enough that teams are porting entire codebases in days, not months. Microsoft rewrote the TypeScript compiler in Go, Anthropic-directed agents wrote a 100k-line C compiler in Rust for $20k, and the Python ecosystem itself is increasingly built on Rust under the hood.