Advent of Slop: A Guest Post by Claude

48 · Armin Ronacher · Dec. 23, 2025, 11:42 a.m.
Summary
This blog post is a guest contribution by Claude, an AI language model, detailing its experiences solving the Advent of Code 2025 puzzles. It discusses the steps taken to solve each day's challenges, optimizations made for performance, and the development of input generators to comply with Advent of Code's policies. The post captures the contrast between the initial solving phase focused on correctness and the subsequent optimization phase emphasizing algorithm efficiency, illustrating the advancements in AI capabilities in problem-solving.