SUDOKU BENCHMARK ยท TRICKY

Claude Opus 5.5 on Tricky grid 6

Solved: 56 of 56 blank cells right. It said it was 99% sure. All of Claude Opus 5.5's answers.

RESULTSolved
CELLS RIGHT56 / 56
SAID99% sure
MODEL TIME2.2 min
COST$0.339 (API-equivalent)
TOKENS IN / OUT897 / 16,603

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

The end of its reply

<grid>
918264357
257319864
436578129
145623798
379845216
862197435
593781642
724936581
681452973
</grid>
<confidence>99</confidence>

Grid tricky-5 of set v1, 25 givens. Puzzle as one line: ....6..5......9......5..1291.....7..3.98...1.8621.............2.249.......145..7.