SUDOKU BENCHMARK ยท GENTLE

Claude Sonnet 5.5 on Gentle grid 3

Solved: 52 of 52 blank cells right. It said it was 96% sure. All of Claude Sonnet 5.5's answers.

RESULTSolved
CELLS RIGHT52 / 52
SAID96% sure
MODEL TIME1.2 min
COST$0.105 (API-equivalent)
TOKENS IN / OUT903 / 10,182

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

The end of its reply

I solved the puzzle by hand, working from the forced cells outward. I did not run a program or re-check every row, column and box afterwards.

<grid>
572943186
894612357
361587942
256134879
189765423
437829561
918256734
723498615
645371298
</grid>
<confidence>96</confidence>

Grid gentle-2 of set v1, 29 givens. Puzzle as one line: 57294..8.89......7...5.....2.....8...8.765.2...7.....1.....6...7......15.4..71298