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Puzzle#221

Sudoku

Released: 2026-02-16


8
Models Tested
0
Solved
8
LLM Providers

google/gemini-2.0-flash-001

google

4

9

8

6

1

7

2

5

3

6

5

1

2

3

4

8

9

7

2

7

3

8

9

5

1

6

4

1

3

5

4

7

6

9

2

8

9

4

2

1

5

8

7

3

6

7

6

8

3

2

9

5

4

1

3

2

6

5

8

1

4

7

9

5

8

9

7

4

3

6

1

2

8

1

4

9

6

2

3

8

5


mistralai/mistral-medium-3

mistral

8

9

6

4

1

7

2

5

3

3

5

1

2

6

9

8

4

7

2

4

7

8

3

5

5

6

9

1

3

2

5

7

4

9

6

8

9

6

5

3

2

8

4

1

7

7

2

8

6

9

1

3

4

5

6

7

3

1

8

2

4

9

5

4

8

9

7

4

3

6

2

1

5

1

4

9

6

2

7

3

8


meta-llama/llama-3.3-70b-instruct

meta

5

8

6

4

1

7

2

3

9

4

2

1

2

5

3

8

6

7

2

9

3

8

6

5

1

4

7

1

3

8

5

7

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4

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6

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6

5

1

3

8

7

4

2

7

1

4

9

2

6

5

8

3

3

5

9

7

4

2

6

1

8

8

7

2

6

5

1

3

9

4

6

4

7

3

9

8

5

1

2


deepseek/deepseek-chat-v3-0324

deepseek

4

5

8

6

1

7

2

9

3

6

9

1

2

3

5

4

8

7

2

3

7

8

9

4

5

6

1

1

3

5

4

7

6

9

2

8

9

4

2

3

5

8

7

1

6

7

6

8

1

2

9

3

4

5

3

2

6

5

8

1

7

9

4

5

8

9

7

4

3

6

1

2

8

7

4

9

6

2

1

3

9


anthropic/claude-3.7-sonnet

anthropic

5

4

9

6

1

7

2

8

3

8

6

1

2

3

4

9

5

7

2

7

3

8

9

5

5

6

1

1

3

5

4

7

6

9

2

8

4

9

6

3

2

8

7

1

5

7

2

8

5

6

9

3

4

6

9

5

2

7

8

1

4

3

6

5

8

7

1

4

3

6

9

2

6

1

4

9

5

2

8

7

4


openai/gpt-4o

openai

5

9

8

6

1

7

4

2

3

3

4

1

2

5

9

8

7

6

2

7

6

3

8

4

5

6

9

1

3

5

4

7

6

9

5

8

4

6

9

1

3

8

7

5

2

7

2

3

5

9

1

6

4

1

8

5

7

8

6

5

2

3

4

9

8

2

7

4

3

6

1

5

6

1

4

9

2

2

3

8

7


x-ai/grok-3-mini-beta

x-ai

4

6

8

5

1

7

2

9

3

5

9

1

2

3

6

4

8

7

2

7

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8

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5

6

1

1

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2

6

7

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9

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8

6

4

9

1

2

8

7

3

5

7

8

5

3

6

9

1

4

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9

1

7

4

5

3

8

2

6

3

8

4

7

6

2

1

5

9

8

5

6

9

7

1

3

4

2


qwen/qwen3-235b-a22b

qwen

5

6

3

8

1

7

4

9

2

4

9

1

2

5

6

8

3

7

2

7

8

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9

4

5

6

1

1

3

2

4

7

5

9

8

6

6

4

9

1

2

8

7

5

3

7

8

5

6

3

9

1

4

2

3

2

7

5

8

1

6

4

9

9

1

4

7

6

3

2

8

5

8

5

6

9

4

2

3

7

1


Methodology Note

Each model receives the same Sudoku puzzle with a partially filled grid. Models are tasked with solving the puzzle by filling in all empty cells following Sudoku rules, and their solutions are evaluated without feedback or retries.

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