Domino
Released: 2026-07-27
Missing Domino:
google/gemini-3-flash-preview
After cataloging all 27 dominoes in the image and comparing them to a full double-six set, the blank-5 (0, 5) tile was found to be the only one missing.
meta-llama/llama-4-maverick
meta
The excluded domino is number 0 and 0
anthropic/claude-haiku-4.5
anthropic
By systematically analyzing all 27 dominoes visible in the image and checking against the standard double-six set of 28 tiles, I identified all dominoes from [0,0] through [6,6]. The domino [4,4] (double-four) is the only tile from the complete set that is not present in the image. All other 27 unique pairings of numbers 0-6 are accounted for.
openai/gpt-5-image-mini
openai
Counting the pips on all 27 tiles shows the digit 6 appears two fewer times than it should (6 times instead of 8), so the missing tile is the double-six [6,6].
moonshotai/kimi-k2.5
moonshot
I need to identify which domino from the standard 28 double-six set is missing. The complete set includes all pairs (0,0) through (6,6). Let me systematically check which dominos are present by analyzing the image. Looking through all the dominos shown: I can identify [0,0], [0,2], [0,3] appears twice, [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], [5,5], [5,6], [6,6]. After careful analysis, the domino [0,1] (or [1,0]) representing 0 and 1 is not present in the image.
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.