Domino
Released: 2026-07-08
Missing Domino:
meta-llama/llama-4-maverick
meta
The excluded domino is number 0 and 0
google/gemini-3-flash-preview
After cataloging all 27 dominoes present in the image and comparing them against the standard set of 28 double-six dominoes, the [1, 4] tile is the only one missing.
anthropic/claude-haiku-4.5
anthropic
After systematically identifying all 27 dominoes present in the image, I cross-referenced them against the complete standard double-six set of 28 dominoes. The domino [2, 4] is the only one missing from the set. All other dominoes from [0,0] through [6,6] are accounted for in the image.
anthropic/claude-sonnet-4.6
anthropic
I systematically catalogued all 27 dominoes visible in the image and compared them against the full set of 28 dominoes in a standard double-six set. After checking all possible combinations from [0,0] through [6,6], the tile [0,2] (blank-two) was not present in the image.
openai/gpt-5-image-mini
openai
I identified and tallied all 27 visible tiles from the standard double-six set; every tile pair from 0–6 appears except the double six, so the missing domino is [6,6].
moonshotai/kimi-k2.5
moonshot
By systematically identifying all 27 dominoes in the image and comparing against the complete set of 28 dominoes in a double-six set, I found that the domino [1,1] (double-one) is missing. All other dominoes containing 1 are present: [0,1], [1,2], [1,3], [1,4], [1,5], and [1,6]. The count of the digit 1 appears 6 times in the set (once in each of these six dominoes), confirming that the double [1,1] which would contribute 2 occurrences is the missing tile.
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.