Domino
Released: 2026-07-31
Missing Domino:
google/gemini-3-flash-preview
After cataloging all 27 dominoes in the image, the following sets are present: (0,0), (0,1), (0,2), (0,3), (0,4), (0,5), (0,6), (1,1), (1,2), (1,3), (1,4), (1,5), (1,6), (2,2), (2,3), (2,4), (2,5), (2,6), (3,3), (3,4), (3,5), (3,6), (4,4), (4,5), (4,6), (5,6), (6,6). The only tile from the standard 28-piece double-six set not present is the double-fives (5,5).
anthropic/claude-haiku-4.5
anthropic
By systematically checking all 28 possible dominoes in a standard double-six set, I can identify which domino is present in the image. After cataloging all 27 visible dominoes organized by their pip values (0-6 on each end), the domino [4, 5] is the only one missing from the complete set of 28 unique tiles.
meta-llama/llama-4-maverick
meta
The excluded domino is number 3 and 4
openai/gpt-5-image-mini
openai
I counted each domino in the picture and found every combination from 0–6 except the tile that pairs 1 with 6; the 1–6 domino does not appear among the 27 shown.
moonshotai/kimi-k2.5
moonshot
In a standard double-six domino set, each digit 0-6 appears exactly 8 times across all 28 dominoes. By counting the occurrences of each digit in the image, digit 0 appears exactly 7 times. The dominoes containing 0 that are present are: [0,0], [0,1], [0,2], [0,3], [0,4], and [0,5]. Since digit 0 appears 7 times (missing one occurrence) and all other 0-dominoes are accounted for, the missing domino must be [0,6].
Methodology Note
Each model receives the same domino puzzle grid. Models are tasked with identifying the missing domino using only visual clues from the grid. Their answers are evaluated without feedback or retries.