SUDOKU BENCHMARK ยท GENTLE

Claude Opus 5.5 on Gentle grid 1

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 TIME1.6 min
COST$0.237 (API-equivalent)
TOKENS IN / OUT920 / 11,483

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

The end of its reply

<grid>
459367182
718429563
236158479
125784936
894613725
673295814
981532647
367941258
542876391
</grid>
<confidence>99</confidence>

Grid gentle-0 of set v1, 25 givens. Puzzle as one line: ....6.1.2...4.9....3.....7.1...84.3...4.1.7...7.29...4.8.....4....9.1...5.2.7....