Domino
Released: 2026-03-05
Missing Domino:
meta-llama/llama-4-maverick
meta
The excluded domino is number 2 and 2
google/gemini-3-flash-preview
After listing and counting all tiles in the provided image and comparing them against the standard set of 28 double-six dominoes, the [0, 1] (blank and one) domino is missing.
anthropic/claude-haiku-4.5
anthropic
By systematically checking all 28 possible dominoes in a standard double-six set, I identified 27 tiles present in the image. The missing domino is [0, 1], which would consist of one blank face and one face with a single dot.
anthropic/claude-sonnet-4.6
anthropic
By systematically cataloging all visible dominoes in the image and comparing them to the complete set of 28 dominoes (0-0 through 6-6), I identified each tile present. After listing all 27 visible dominoes and checking against the full standard set, the domino [0,3] (blank-three) is the one missing from the image.
openai/gpt-5-image-mini
openai
I inspected the 27 dominoes and verified that every tile from the double-six set appears except the double six (6,6), which is not present.
x-ai/grok-4-fast
x-ai
After counting the appearances of each number in the 54 halves shown, numbers 0,1,2,4,5 appear 8 times each, while 3 and 6 appear 7 times each, indicating the missing domino is the 3-6 tile.
moonshotai/kimi-k2.5
moonshot
After systematically identifying the dominoes present in the image, I found all doubles except [6,6]. The [0,0], [1,1], [2,2], [3,3], [4,4], and [5,5] dominoes are all visible in the set, but the double-six [6,6] (which would show six dots arranged in a 3×2 pattern on both halves) is absent from the collection.
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.