SUDOKU BENCHMARK ยท TRICKY

Claude Opus 5.5 on Tricky grid 4

Solved: 54 of 54 blank cells right. It said it was 98% sure. All of Claude Opus 5.5's answers.

RESULTSolved
CELLS RIGHT54 / 54
SAID98% sure
MODEL TIME1.4 min
COST$0.189 (API-equivalent)
TOKENS IN / OUT907 / 9,107

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

The end of its reply

<grid>
916347528
438215967
257689314
769421853
381576492
542893671
195734286
623158749
874962135
</grid>
<confidence>98</confidence>

Grid tricky-3 of set v1, 27 givens. Puzzle as one line: 91....5....82..9.72...8..147.9......3..57.4.2...8....1..57....6......74.....6..3.