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Puzzle#596

Sudoku

Released: 2026-06-21


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

1

9

7

8

6

3

2

5

4

4

3

5

2

9

1

8

6

7

6

8

2

4

7

5

1

9

3

3

1

4

7

8

9

5

6

2

2

4

9

6

1

5

7

3

8

7

5

8

3

2

6

4

1

9

5

7

6

9

4

2

3

1

8

8

6

1

5

3

7

9

2

5

9

2

3

1

5

8

6

4

7


google/gemini-3-flash-preview

google

Difficulty:
hard

9

5

7

8

6

3

1

2

4

4

3

2

5

9

1

6

8

7

1

6

8

4

7

2

3

9

5

3

1

6

2

4

7

5

9

8

2

4

9

6

8

5

7

3

1

7

8

5

1

3

9

4

6

2

6

7

4

3

5

2

8

1

9

8

2

1

9

4

6

7

7

5

5

9

3

7

1

8

2

4

6


mistralai/mistral-medium-3

mistral

Difficulty:
hard

5

1

4

8

6

3

2

5

9

6

3

2

5

9

1

8

4

7

9

8

7

4

7

2

3

9

1

1

2

3

7

8

9

5

6

4

2

4

9

3

5

5

7

3

8

7

5

8

6

1

4

4

2

3

3

7

5

1

2

2

6

1

4

8

9

1

9

4

7

1

8

5

4

6

6

2

3

8

9

7

6


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

meta

Difficulty:
hard

5

1

9

8

6

4

3

2

7

3

4

2

1

5

7

8

6

9

6

8

7

3

2

5

1

4

9

1

5

3

9

8

6

4

7

2

2

6

4

7

3

1

9

5

8

9

7

8

5

4

2

6

1

3

4

2

1

6

9

8

5

3

7

8

3

5

4

1

9

2

7

6

7

9

6

2

7

3

5

8

1


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

5

9

4

8

6

3

1

2

7

6

3

8

2

9

1

5

4

7

1

2

7

4

7

5

6

9

3

3

6

2

1

4

7

5

8

9

2

4

9

6

8

5

7

3

1

7

1

5

3

2

9

4

6

8

4

7

6

5

3

2

8

1

9

8

6

1

9

4

7

2

5

3

9

5

3

7

1

8

2

4

6


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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