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Prompt: Missing chocolate location in grid

30 out of 52 models answer this prompt correctly.
Prompt: Return the position of the missing chocolate in the image if there is a missing chocolate. Positions should be as follows: R1C1, where R is the row and C is the column, like R2C3 would be Row 2 Column 3. Return only the R1C1 value and no other information. If no chocolates are missing, return R0C0.
Answer: R1C4
Submitted by: Roboflow
Missing chocolate location in grid

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How models perform on this prompt

ChatGPT-4o (Medium Reasoning)

Model answer: {"answer": "R1C4"}

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Claude 3.7 Sonnet
Claude 4 Sonnet
Claude 4.6 Opus

Model answer: {"answer": "R1C4"}

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Cosmos Reason2 8B

Model answer: {"answer": "R1C4"}

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GLM 4.6v

Model answer: { "answer": "R1C4" }

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GPT-4.1

Model answer: {"answer": "R1C4"}

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GPT-4.1 Mini

Model answer: {"answer": "R1C4"}

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GPT-5 Mini

Model answer: {"answer": "R1C4"}

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GPT-5 Nano

Model answer: {"answer": "R1C4"}

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GPT-5.4

Model answer: {"answer":"R1C4"}

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Gemini 2.0 Flash

Model answer: {"answer": "R1C4"}

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Gemini 2.0 Flash Lite

Model answer: {"answer": "R1C4"}

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Gemini 2.5 Flash

Model answer: {"answer": "R1C4"}

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Gemini 2.5 Flash Lite

Model answer: {"answer": "R1C4"}

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Gemini 2.5 Pro

Model answer: { "answer": "R1C4" }

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Gemini 3 Flash

Model answer: {"answer": "R1C4"}

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Gemini 3 Flash (Tools)

Model answer: {"answer": "R1C4"}

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Gemini 3.1 Pro

Model answer: { "answer": "R1C4" }

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Gemini 3.1 Pro (Tools)

Model answer: {"answer": "R1C4"}

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Grok 4

Model answer: {"answer": "R1C4"}

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Grok 4.1 Fast

Model answer: {"answer": "R1C4"}

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Llama 4 Maverick 17B

Model answer: To determine the position of the missing chocolate, we need to analyze the given image. The image shows a tray of chocolates with 10 compartments. The chocolates are arranged in two rows, with five compartments in each row. **Step 1: Identify the Compartments with Chocolates** * The first row has chocolates in the first, second, third, and fifth compartments. * The second row has chocolates in all compartments. **Step 2: Identify the Empty Compartments** * The fourth compartment in the first row is empty. **Step 3: Determine the Position of the Missing Chocolate** * The empty compartment is in the first row and fourth column. **Step 4: Convert the Position to the Required Format** * The position is Row 1, Column 4, which corresponds to R1C4. Therefore, the position of the missing chocolate is **R1C4**.

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OpenAI O1

Model answer: {"answer": "R1C4"}

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OpenAI O4 Mini (Medium Reasoning)

Model answer: {"answer":"R1C4"}

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Qwen 3.5 122B (A10B)

Model answer: {"answer": "R1C4"}

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Qwen 3.5 27B

Model answer: {"answer": "R1C4"}

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Qwen 3.5 35B (A3B)

Model answer: {"answer": "R1C4"}

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Qwen 3.5 9B

Model answer: {"answer": "R1C4"}

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Qwen 3.5 Plus

Model answer: {"answer": "R1C4"}

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Arcee.ai Spotlight
Claude 3.5 Haiku
Claude 4 Opus

Model answer: Looking at the chocolate tray, I can see: - Row 1: 5 chocolates present (2 round, 2 square M&S branded, 1 round with yellow/orange center) - Row 2: 5 chocolates present (2 round, 2 square M&S branded, 2 rectangular striped) All 10 positions in the tray are filled with chocolates. There are no missing chocolates. R0C0

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Claude 4.1 Opus

Model answer: Looking at the chocolate tray, I can see there are 2 rows and 5 columns of spaces. Row 1 (top): All 5 positions are filled with chocolates Row 2 (bottom): Positions 1-4 are filled with chocolates, but position 5 (rightmost) is empty R2C5

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Cohere Aya Vision 32B
Cohere Aya Vision 8B
Cosmos Reason2 2B

Model answer: {"answer": "R0C0"}

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GPT-4.1 Nano

Model answer: {"answer": "R2C2"}

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Gemma 3 27b
Gemma 3 4B
Kimi k2.5

Model answer: Looking at the image, I can see a chocolate box with 2 rows and 5 columns. **Row 1 (top):** - C1: Round chocolate with line (present) - C2: Square M&S chocolate (present) - C3: Square M&S chocolate (present) - C4: **Empty/missing** - C5: Yellow/orange round chocolate (present) **Row 2 (bottom):** - C1: Round chocolate with line (present) - C2: Square M&S chocolate (present) - C3: Square M&S chocolate (present) - C4: Rectangular striped chocolate (present) - C5: Rectangular striped chocolate (present) The missing chocolate is at position Row 1, Column 4. {"answer": "R1C4

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Llama 4 Scout 17B
Mistral Medium 3
Mistral Small 3.1 24B
Molmo2 8B

Model answer: {"answer": "R2C3"}

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Phi 4 Multimodal
Qwen 2.5 VL 7B
Qwen 3.5 0.8B

Model answer: Looking at the image: - The chocolate tray has a total of 12 molds (3 rows × 4 columns). - There are 3 chocolate pieces missing from the top row. - They are in slots: - R1C1 - R1C2 - R1C3 Based on standard packaging design, the top-row chocolates should be placed to create a symmetrical or balanced look, likely starting with one in each of the first three columns (since there are only three missing), and typically centered or evenly spaced. Given that the image shows these three missing chocolates aligned with their respective M&S chocolate bars on the right side of row 1, it’s reasonable to assume the missing ones are R1C1, R1C2, and R1C3 — filling in the empty slots symmetrically. Thus, the position of the missing chocolate in R1C1 corresponds to one of the already visible chocolates. Since the question asks for "R1C1" as if it were a missing chocolate (implying we are locating where a missing chocolate would go), and given that all 3 above-left positions appear to be filled, then no additional chocolate is expected in R1C1 based on current visual data. However, re-evaluating: perhaps the question implies that among the empty slots, which one corresponds to R1C1? But since there are no blank spots marked for R1C1 (it looks like it’s already filled with what appears to be a solid chocolate bar), and all other top-row positions similarly have chocolates. Wait — actually, looking again: Top row has 4 slots. All 3 on the left side appear to have chocolates already in place (even though they are faintly shaded or blurred). The third slot from the right (R1C3) also has a chocolate bar visible. So perhaps only two of the top-row slots are missing? But earlier I thought there were three missing... Actually, recounting: Image shows: Row 1: - Leftmost chocolate - M&S cube 1 - M&S cube 2 - Empty hole (no chocolate) - Yellow cap at far right (this might be an additional element, not part of the tray structure) So actually, in terms of the main tray molds, there are: Row 1: - Molds with chocolate bars (3 chocolates) - One empty mold under the yellow cap That’s 4 total slots. If we assume that’s all intended, then only 2 chocolates are missing from row 1. But if we consider the entire tray layout including those outside (the holes under M&S and the small container), let's count full molds: Total visible chocolate-like items: - Bottom-left oval (filled) → 1 - Below that same oval → same filled - Two M&S squares in row 1 (full) - One M&S square in row 2 (full) - Two long chocolate bars (fully dipped with lines) That leaves: - A small container/mold under the yellow cap — this might contain a third element, possibly another chocolate or just empty. But if we follow standard design logic — and given that the task is to return "R1C1" for a missing chocolate in that position, and since there are no blanks visible in R1C1, perhaps the answer is still “empty” → which maps to returning R0C0? Wait — re-read: “Return only the R1C1 value and no other information. If no chocolates are missing, return R0C0.” Since there *are* chocolates already placed in R1C1 (as we can see it’s filled), then technically we don’t need to return anything — but if the intent is that all positions where chocolates were expected should be filled, and since the third top-left slot appears to be partially filled or not visible, maybe it's still missing? Alternatively, perhaps “missing chocolate” refers to actual blank molds with no content. The three holes under M&S and the small container — if those are considered “chocolate-like objects” meant to be chocolates but don't have them... Looking carefully: The M&S squares in row 1: - Cube 1: clearly visible, has logo “M&S -FOOD—” - Cube 2: same - Square under yellow cap at far right — this is actually the large orange/yellow disc that sits atop a smaller circular cavity. Wait, no — let me describe again: Actually, looking at row 1 (top line): From left to right: 1. Large chocolate oval in mold 2. M&S square 1 3. M&S square 2 4. Empty hole — no chocolate shown (transparent) 5. Yellow disc cap on top of another mold? That

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Qwen 3.5 2B

Model answer: {"answer": "R9C8"}

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Qwen 3.5 4B

Model answer: { "answer": "R1C5" }

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Reka Edge

Model answer: {"answer": "R0C0"}}

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SmolVLM2 2.2B

Model answer: {"answer": "R0C0"}

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