SUDOKU BENCHMARK ยท GENTLE

Claude Opus 5.5 on Gentle grid 4

Solved: 51 of 51 blank cells right. It said it was 99% sure. All of Claude Opus 5.5's answers.

RESULTSolved
CELLS RIGHT51 / 51
SAID99% sure
MODEL TIME1.0 min
COST$0.141 (API-equivalent)
TOKENS IN / OUT922 / 6,695

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

The end of its reply

<grid>
753462819
498135627
162978345
974283561
531694278
286751493
817526934
645319782
329847156
</grid>
<confidence>99</confidence>

Grid gentle-3 of set v1, 30 givens. Puzzle as one line: ..34.2.1..9..3....1.2.......7...3.6153.6.4.7828.7...9.......9.4....1..8..2.8.71..