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Puzzle#578

Sudoku

Released: 2026-06-15


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

4

3

2

5

6

7

9

1

8

7

9

6

8

1

4

2

5

3

8

5

1

9

2

3

4

7

6

6

8

9

3

7

1

5

4

2

1

7

5

4

8

6

3

2

9

3

2

4

2

5

9

6

8

7

5

1

7

6

4

8

7

3

9

2

4

8

7

3

9

1

6

5

9

6

3

1

2

5

8

7

4


mistralai/mistral-medium-3

mistral

Difficulty:
hard

3

4

2

7

6

9

8

1

5

7

5

6

8

1

3

2

9

4

8

9

1

9

2

4

5

7

3

4

6

9

3

7

8

1

5

2

1

3

8

4

8

7

3

2

9

5

2

7

2

5

1

6

4

8

6

8

7

1

3

2

9

4

5

2

1

4

9

4

3

1

6

5

9

7

3

5

9

6

4

8

7


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

4

9

2

5

6

7

3

1

8

5

7

6

8

1

3

2

9

4

8

3

1

9

2

4

5

7

6

6

2

9

3

4

8

7

5

1

1

5

7

6

8

2

4

2

9

3

4

8

2

5

1

6

7

9

9

8

7

4

3

5

8

6

2

2

1

4

7

9

6

1

6

5

7

6

3

1

2

9

4

8

7


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

meta

Difficulty:
hard

5

3

2

1

6

8

4

9

7

6

8

6

8

1

5

2

3

4

8

9

1

9

3

4

5

7

2

4

2

9

3

7

1

8

5

6

1

5

8

4

8

2

7

2

9

7

1

4

2

5

9

6

8

3

9

6

7

5

4

3

1

2

8

2

4

3

6

9

7

5

1

5

3

7

5

8

2

6

9

4

1


google/gemini-3-flash-preview

google

Difficulty:
hard

7

1

2

5

6

3

8

9

4

9

4

6

8

1

7

2

5

3

8

3

5

9

2

4

1

7

6

5

2

9

3

7

6

4

1

8

1

6

3

4

8

9

7

2

5

4

7

8

2

5

1

6

3

9

3

5

7

6

9

8

5

4

2

2

8

4

7

3

5

1

6

9

6

9

1

1

4

2

3

8

7


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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