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Puzzle#626

Sudoku

Released: 2026-07-01


5
Models Tested
0
Solved
5
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

8

4

3

2

6

7

9

1

5

1

6

5

9

8

3

7

4

2

9

7

2

1

4

5

3

6

8

3

2

6

8

5

4

1

9

7

7

5

4

6

1

9

8

3

6

8

9

1

3

7

2

4

5

6

6

3

9

5

2

8

2

7

4

5

1

7

9

3

4

6

8

2

4

8

2

7

1

6

5

9

3


openai/gpt-4o

openai

Difficulty:
hard

8

5

4

6

7

3

9

1

2

1

6

7

5

8

2

3

4

9

9

3

2

1

4

9

7

5

8

2

4

6

8

5

7

1

3

9

7

8

3

2

9

1

5

6

4

5

9

1

3

6

4

8

2

7

3

1

5

4

2

8

6

7

9

6

2

8

9

3

5

4

9

1

4

7

9

7

1

6

2

8

3


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

meta

Difficulty:
hard

8

5

4

7

3

2

9

1

6

6

2

9

1

8

5

7

4

3

3

1

2

6

4

9

8

5

7

5

8

7

8

5

1

1

6

4

7

4

3

2

9

6

5

8

6

2

9

1

3

7

4

4

3

5

9

6

8

5

1

7

2

7

4

1

7

5

9

6

8

3

2

9

4

3

6

4

2

1

6

9

5


mistralai/mistral-medium-3

mistral

Difficulty:
hard

8

4

5

6

7

3

9

1

2

1

6

3

2

8

9

7

4

5

9

7

2

4

1

5

3

6

8

2

3

6

8

5

4

1

9

7

7

1

4

9

2

3

8

5

6

5

9

1

3

6

7

4

2

8

4

5

9

1

3

8

2

7

6

6

2

8

9

3

7

5

4

1

3

8

7

5

4

6

5

8

3


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

8

5

4

6

2

7

9

1

3

1

6

7

5

8

3

6

4

2

9

3

2

1

4

9

8

5

7

4

2

6

8

5

9

1

3

7

7

8

3

2

1

4

5

9

6

5

9

1

3

7

6

4

2

8

3

4

8

4

6

5

2

7

9

2

7

5

9

3

8

7

6

4

6

1

9

7

2

6

5

8

3


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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