@JustinWaugh
(1/N) Pencil Puzzle Bench is out! 51 LLMs tested on pencil puzzles (multi-step, logical reasoning, verifiable at each step) Dataset: 62k unique puzzles, 94 types. Evaluation: covers 300 puzzles across 20 types Best score: GPT 5.2@xhigh 56%, half the puzzles are still unsolved