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Puzzle#620

Sudoku

Released: 2026-06-29


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

3

4

6

9

8

5

2

7

1

9

8

1

2

4

6

3

5

0

7

0

5

1

3

0

8

4

6

2

7

8

4

0

1

9

3

5

5

3

4

0

6

9

7

2

8

0

1

9

7

5

2

0

6

0

1

2

0

6

9

7

4

8

3

6

5

3

8

2

1

0

9

7

8

9

7

3

0

4

6

1

2


mistralai/mistral-medium-3

mistral

Difficulty:
hard

2

4

6

9

8

5

1

7

3

9

8

1

2

3

4

6

5

7

7

3

5

1

6

9

8

4

2

5

6

8

4

1

3

9

2

7

4

3

2

5

9

8

7

1

6

1

7

9

6

2

5

4

8

3

1

2

3

6

4

7

8

9

5

6

5

8

9

7

1

2

3

4

9

7

4

3

5

2

6

1

8


google/gemini-3-flash-preview

google

Difficulty:
hard

2

6

4

9

8

3

1

7

5

9

8

1

2

7

4

3

5

6

5

7

3

1

6

5

8

4

9

7

1

8

4

5

2

9

3

6

4

3

5

8

9

6

7

2

1

2

6

9

7

3

1

5

8

4

1

2

3

6

4

7

8

9

5

6

5

4

9

2

1

7

3

8

8

9

7

3

5

4

6

1

2


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

4

6

2

9

8

3

1

7

5

5

8

1

2

7

4

3

6

9

9

7

3

1

5

6

2

4

8

2

1

8

4

6

5

9

3

7

7

3

5

8

1

9

4

2

6

6

4

9

7

3

2

5

8

1

1

2

4

6

9

7

8

5

3

6

5

3

8

2

1

7

9

4

8

9

7

3

4

5

6

1

2


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

meta

Difficulty:
hard

5

1

9

9

8

6

4

7

2

8

8

1

5

3

2

6

1

9

4

6

5

1

9

8

3

4

1

9

5

8

4

1

3

9

3

6

3

3

6

2

5

4

8

2

5

2

4

9

7

6

5

1

8

3

1

2

3

6

4

7

5

9

8

6

5

4

8

2

1

7

6

3

7

9

7

3

6

9

2

5

4


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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