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Puzzle#545

Sudoku

Released: 2026-06-04


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

7

6

9

3

5

2

1

8

4

2

4

8

9

7

1

6

5

3

5

1

3

8

6

4

7

9

2

3

9

2

1

8

5

9

4

6

6

5

4

7

2

9

3

2

7

1

7

5

6

4

3

2

8

9

4

3

7

2

9

6

5

1

9

8

2

6

5

1

7

4

3

1

9

8

1

4

3

8

6

7

5


google/gemini-3-flash-preview

google

Difficulty:
hard

3

6

9

8

5

2

1

7

4

4

2

8

9

7

1

6

5

3

5

7

1

4

6

3

8

9

2

7

9

3

5

8

4

2

4

6

6

8

2

7

1

9

3

4

5

1

5

4

3

2

6

9

8

7

8

3

7

2

4

5

5

1

9

9

4

5

1

8

7

7

3

2

2

1

6

6

9

8

4

6

1


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

meta

Difficulty:
hard

5

1

9

7

2

8

6

3

4

2

8

6

3

5

1

7

9

4

4

3

7

9

6

5

2

1

8

8

5

2

1

4

3

9

7

6

6

9

1

8

7

2

5

4

3

3

7

4

6

9

5

1

8

2

1

6

8

5

3

7

4

2

9

9

4

5

2

1

6

8

3

7

7

2

3

4

8

9

6

5

1


mistralai/mistral-medium-3

mistral

Difficulty:
hard

3

7

6

9

5

2

1

8

4

4

2

8

6

7

1

9

5

3

5

1

9

8

6

3

7

2

4

2

9

3

5

8

7

4

1

6

6

4

5

7

1

9

3

2

8

1

8

7

2

3

4

5

6

9

9

3

7

2

4

6

8

1

5

8

5

1

3

2

8

6

3

7

7

6

2

1

9

5

3

4

8


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

3

7

6

9

5

2

1

8

4

9

2

8

4

7

1

6

5

3

5

1

4

8

6

3

7

9

2

2

9

5

3

8

7

4

6

1

6

4

3

7

1

9

2

8

5

1

8

7

5

2

6

9

3

4

4

3

7

2

6

8

5

1

9

8

6

2

1

4

5

3

7

8

7

5

1

6

9

4

8

2

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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