SUDOKU BENCHMARK · TRICKY

Claude Sonnet 5.5 on Tricky grid 2

Solved: 57 of 57 blank cells right. It said it was 97% sure. All of Claude Sonnet 5.5's answers.

RESULTSolved
CELLS RIGHT57 / 57
SAID97% sure
MODEL TIME1.3 min
COST$0.120 (API-equivalent)
TOKENS IN / OUT906 / 11,653

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

The end of its reply

I solved it by logical elimination, placing forced digits one at a time until no cell was left open. I then checked that every row, column and box contains 1–9 exactly once.

<grid>
784569231
315278469
926341587
432756918
197483652
568912743
651827394
249135876
873694125
</grid>
<confidence>97</confidence>

Grid tricky-1 of set v1, 24 givens. Puzzle as one line: ........13.527.4......4..8....75.....97..3..256.......6.1...3..2....5..6.7..9....