Domino
Released: 2026-07-05
Missing Domino:
meta-llama/llama-4-maverick
meta
The excluded domino is number 2 and 1
google/gemini-3-flash-preview
After cataloging all 27 dominoes in the image and comparing them to a full double-six set, all doubles (0-0, 1-1, 2-2, 3-3, 5-5, 6-6) are present except for the double-four.
anthropic/claude-sonnet-4.6
anthropic
After carefully cataloging all 27 visible dominoes in the image and comparing them to a complete standard set of 28 dominoes (all pairs from 0-0 to 6-6), the double-one tile [1,1] is not present in the image.
anthropic/claude-haiku-4.5
anthropic
By systematically checking all 28 possible domino combinations in a standard double-six set (all pairs from 0-6, including doubles), I identified all 27 dominoes present in the image. The domino [0,1] representing one pip on one end and a blank on the other is the only combination missing from the complete set.
openai/gpt-5-image-mini
openai
By inspecting the 27 visible tiles every pair involving 0–6 appears except the double six; the tile with six pips on both ends is not present among the shown dominoes.
moonshotai/kimi-k2.5
moonshot
I analyzed the image to identify all the dominoes present. A standard double-six domino set contains 28 unique dominoes. By carefully examining each domino in the image, I identified the following pattern: 1. The image contains dominoes with numbers 0-5, but no dominoes containing the number 6 appear to be present. 2. Within the dominoes using numbers 0-5, I noticed that consecutive integer pairs form a pattern: [0,1], [1,2], [2,3], [4,5] are all present (some multiple times), but [3,4] is missing. 3. This breaks the chain of consecutive integer dominoes: [0,1]-[1,2]-[2,3]-[3,4]-[4,5]. 4. While other dominoes like [0,2] and [2,5] are also missing, [3,4] stands out as the most significant exclusion because it would complete the consecutive sequence of dominoes from 0 to 5. 5. The presence of multiple copies of dominoes like [3,3] and [2,4] suggests that the set is complete except for specific missing dominoes, and [3,4] is the key exclusion that breaks the consecutive integer pattern.
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.