Following up on the Haskell, OCaml, Python, Elixir, Elm, Java, ReScript, and Ruby benchmarks, I ran the same orchestration setup on the same AoC 2025 Days 1–5 puzzles — this time in Rust.
Rust is a compiled systems language with strict ownership rules and a demanding compiler. Models have to deal with borrow-checking, lifetime annotations, and explicit error handling just to get a solution that compiles.