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Puzzle#599

Sudoku

Released: 2026-06-22


5
Models Tested
0
Solved
5
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

5

2

6

4

9

7

1

8

3

7

9

4

6

8

1

4

5

2

1

3

4

2

5

8

6

7

9

9

7

1

3

4

2

8

6

5

2

4

8

9

1

5

3

6

7

6

5

3

8

7

4

9

2

1

4

1

5

7

3

6

2

9

8

3

8

9

5

2

4

7

1

6

8

6

7

1

6

9

5

3

4


openai/gpt-4o

openai

Difficulty:
hard

5

2

6

4

9

8

7

3

1

8

9

7

6

3

1

4

5

2

1

3

4

2

7

5

6

9

8

9

7

5

1

4

2

8

6

3

2

6

8

3

1

9

5

4

7

3

4

1

8

6

7

2

5

9

4

1

2

7

5

6

9

8

3

6

5

9

5

2

3

1

7

4

7

8

3

9

8

4

5

2

6


mistralai/mistral-medium-3

mistral

Difficulty:
hard

5

6

7

4

9

8

1

3

2

8

9

4

3

6

1

7

5

2

2

3

1

7

5

9

6

4

8

9

7

6

3

4

2

8

5

1

2

4

8

6

1

5

9

3

7

3

5

1

9

8

7

2

6

4

4

1

2

8

3

6

9

7

5

6

8

9

5

2

4

3

1

7

7

3

5

1

9

8

5

2

6


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

meta

Difficulty:
hard

5

8

6

4

9

7

2

3

1

7

1

3

5

6

1

4

8

2

8

3

2

1

5

9

6

7

4

9

7

1

8

4

2

8

5

6

2

5

8

7

1

3

9

4

7

4

6

5

2

8

5

7

1

3

4

1

9

3

7

6

5

2

8

1

9

7

5

2

8

3

6

4

3

4

5

9

6

1

1

7

2


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

5

6

7

4

9

8

1

2

3

8

9

4

3

6

1

4

5

2

1

3

2

7

5

4

6

8

9

9

7

5

6

4

2

8

3

1

2

4

8

9

1

3

5

6

7

6

1

3

8

7

5

2

9

4

4

1

2

3

8

6

7

9

5

7

8

9

5

2

4

3

1

6

3

5

6

1

9

7

5

4

8


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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