SUDOKU BENCHMARK ยท TRICKY

Claude Sonnet 5.5 on Tricky grid 5

Solved: 55 of 55 blank cells right. It said it was 97% sure. All of Claude Sonnet 5.5's answers.

RESULTSolved
CELLS RIGHT55 / 55
SAID97% sure
MODEL TIME1.1 min
COST$0.097 (API-equivalent)
TOKENS IN / OUT916 / 9,307

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 row, column and box eliminations. Every row, column and box checks out, and the givens are unchanged.

<grid>
874269315
526731489
193548267
265493871
749182536
318675924
952316748
481927653
637854192
</grid>
<confidence>97</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