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Puzzle#641

Sudoku

Released: 2026-07-06


5
Models Tested
0
Solved
5
LLM Providers

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

meta

Difficulty:
hard

5

7

9

1

3

4

6

8

2

4

9

6

8

5

2

7

3

1

3

8

1

6

9

7

5

2

4

9

5

4

7

2

1

8

6

3

8

3

7

5

6

9

2

4

1

1

6

5

3

8

4

9

7

2

7

2

8

4

1

6

3

5

9

6

4

3

9

7

5

1

2

8

2

1

9

4

3

8

7

6

5


openai/gpt-4o

openai

Difficulty:
hard

2

7

5

8

1

9

3

4

6

4

9

6

3

2

7

1

5

8

1

8

3

6

5

4

9

2

7

5

1

4

9

2

8

6

7

3

8

2

9

7

3

6

5

6

1

3

6

7

5

4

1

8

9

2

9

3

2

4

6

5

7

1

8

7

5

1

2

8

9

4

3

6

6

4

8

1

7

3

2

8

9


google/gemini-3-flash-preview

google

Difficulty:
hard

5

7

6

8

3

2

9

4

1

4

9

2

7

1

5

3

6

8

1

8

3

6

5

4

7

2

9

9

5

4

3

2

1

8

7

6

8

2

7

9

4

6

1

5

3

3

6

1

5

8

7

2

9

4

7

3

5

4

9

8

6

1

2

2

1

9

0

7

0

4

3

5

6

4

8

1

0

3

5

0

9


mistralai/mistral-medium-3

mistral

Difficulty:
hard

5

7

2

9

4

8

6

3

1

4

9

6

3

1

2

7

5

8

1

8

3

6

5

7

9

2

4

9

5

4

8

2

6

1

7

3

8

2

7

5

3

1

4

6

9

3

6

1

7

9

4

8

9

4

7

3

9

4

6

5

2

1

8

2

4

8

2

7

9

3

8

6

6

1

5

1

8

3

7

4

9


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

5

7

2

8

3

9

4

6

1

4

9

6

2

1

7

5

3

8

1

8

3

6

5

4

9

2

7

9

1

4

3

2

8

6

7

5

8

2

7

9

4

6

1

5

3

3

6

5

7

1

2

8

9

4

7

3

9

4

6

5

2

1

8

2

4

8

5

7

1

3

6

9

6

5

1

8

9

3

7

4

2


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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