SUDOKU BENCHMARK ยท EXPERT

Claude Sonnet 5.5 on Expert grid 3

Solved: 54 of 54 blank cells right. It said it was 96% sure. All of Claude Sonnet 5.5's answers.

RESULTSolved
CELLS RIGHT54 / 54
SAID96% sure
MODEL TIME1.4 min
COST$0.132 (API-equivalent)
TOKENS IN / OUT920 / 12,852

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

The end of its reply

I solved it by hand, using candidate elimination row by row and a contradiction check on one branch. I checked the rows, columns and boxes of the final grid and they all hold each digit once.

<grid>
974182563
526394781
813567942
632859174
785431296
491726358
247615839
369278415
158943627
</grid>
<confidence>96</confidence>

Grid expert-2 of set v1, 27 givens. Puzzle as one line: 9....2...5....4..1..3.........8....47.5.3.2..4.1.2..5.2476....9.6..7..151...4....