SUDOKU BENCHMARK ยท DEVIOUS

Claude Opus 5.5 on Devious grid 1

Solved: 55 of 55 blank cells right. It said it was 99% sure. All of Claude Opus 5.5's answers.

RESULTSolved
CELLS RIGHT55 / 55
SAID99% sure
MODEL TIME1.8 min
COST$0.251 (API-equivalent)
TOKENS IN / OUT911 / 12,170

5 given 5 filled correctly 53 wrong, with the right digit 3 left empty

The end of its reply

<grid>
873642915
591837462
246591783
137256894
924183576
685479321
368914257
419725638
752368149
</grid>
<confidence>99</confidence>

Grid devious-0 of set v1, 26 givens. Puzzle as one line: ..3..2..5.9...746....59.78.....5.89..241..5..6........3..9.........2.6.8.5.3.....