SUDOKU BENCHMARK ยท TRICKY

Claude Opus 5.5 on Tricky grid 5

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 TIME1.0 min
COST$0.153 (API-equivalent)
TOKENS IN / OUT911 / 7,272

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

The end of its reply

<grid>
874269315
526731489
193548267
265493871
749182536
318675924
952316748
481927653
637854192
</grid>
<confidence>99</confidence>

Grid tricky-4 of set v1, 26 givens. Puzzle as one line: 8.4...3.....7...8..9.........549..7...9..2.....86...249..31.........7.5.6.7..4.92