SUDOKU BENCHMARK · TRICKY

Claude Sonnet 5.5 on Tricky grid 3

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$0.123 (API-equivalent)
TOKENS IN / OUT911 / 11,914

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

The end of its reply

I solved it by hand and then checked the finished grid against every row, column and box. Each contains 1–9 exactly once, and all 24 givens are unchanged.

<grid>
847936512
925741638
631852749
316498275
589327461
472165983
753689124
268514397
194273856
</grid>
<confidence>97</confidence>

Grid tricky-2 of set v1, 24 givens. Puzzle as one line: .4...65..9....1..8..1..2.4....4.8....893...........9..75.6...24.68.........2...5.