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Puzzle#668

Sudoku

Released: 2026-07-15


5
Models Tested
0
Solved
5
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

5

7

8

4

1

3

6

2

9

4

2

6

8

9

5

3

1

7

3

9

1

2

7

6

8

5

4

8

5

2

3

4

7

9

6

1

6

4

3

5

9

1

2

8

7

1

1

9

6

2

8

5

4

3

2

8

5

1

6

9

4

7

3

9

1

7

7

3

4

5

2

6

7

6

4

7

8

2

1

9

5


openai/gpt-4o

openai

Difficulty:
hard

5

7

8

3

2

6

4

1

9

4

2

6

8

9

5

3

7

1

3

9

1

2

7

4

8

5

6

6

5

7

1

4

8

9

3

2

9

1

3

5

6

1

2

8

4

8

4

2

6

3

9

7

1

5

2

8

5

4

6

3

1

9

7

1

6

4

7

5

2

9

2

8

7

3

9

9

8

7

5

4

3


mistralai/mistral-medium-3

mistral

Difficulty:
hard

6

7

8

1

3

4

5

2

9

4

1

2

8

9

5

3

6

7

3

9

5

2

7

6

4

5

8

7

2

6

3

4

8

9

1

5

9

4

3

5

6

1

2

8

7

8

5

1

6

2

9

7

3

4

2

3

5

9

6

7

8

4

1

1

6

4

7

8

3

5

9

2

5

8

9

4

1

2

6

7

3


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

meta

Difficulty:
hard

5

7

8

3

1

6

4

2

9

4

3

2

8

9

5

3

1

7

1

9

6

2

7

4

8

5

3

8

1

4

9

4

3

9

6

2

3

5

3

5

2

1

2

8

6

9

6

1

6

5

8

7

4

5

2

4

5

1

6

9

3

7

1

6

8

9

4

3

2

1

5

8

7

2

3

5

8

7

6

9

4


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

5

7

8

1

3

6

4

2

9

4

2

6

8

9

5

3

1

7

3

9

1

2

7

4

6

5

8

8

1

2

7

4

3

9

6

5

6

5

3

9

2

1

7

8

4

9

4

7

6

5

8

2

3

1

2

8

5

3

6

9

1

7

4

1

3

4

5

1

7

8

4

6

7

6

9

4

8

2

1

9

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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