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Puzzle#515

Sudoku

Released: 2026-05-25


6
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

1

6

5

2

3

9

7

4

8

2

8

3

7

4

6

1

5

9

7

9

4

6

1

5

2

3

0

3

7

8

5

6

4

9

1

2

9

5

2

1

8

7

6

0

4

6

2

1

9

4

8

3

9

5

5

3

6

8

3

2

4

7

1

4

1

7

3

5

9

8

2

6

8

4

9

0

2

3

5

6

7


google/gemini-3-flash-preview

google

Difficulty:
hard

1

4

6

3

9

2

5

7

8

2

5

3

4

8

6

1

7

9

7

9

8

7

1

5

2

3

6

9

7

1

5

6

3

4

8

2

3

5

4

1

9

8

6

7

2

6

2

8

7

4

1

3

9

5

4

6

2

8

7

9

1

5

3

7

3

5

6

1

4

9

2

8

8

1

9

5

2

3

4

6

7


google/gemini-2.0-flash-001

google

Difficulty:
hard

5

1

6

4

3

7

2

9

8

2

8

3

9

5

6

1

7

4

4

9

7

2

1

5

6

8

3

9

7

8

3

6

4

5

1

2

3

5

4

1

9

2

7

8

6

6

2

1

5

7

8

3

4

9

7

6

2

8

4

9

9

3

1

8

3

5

7

6

1

4

2

9

1

4

9

6

2

3

8

5

7


mistralai/mistral-medium-3

mistral

Difficulty:
hard

4

6

7

9

3

2

5

1

8

2

8

3

7

5

6

1

4

9

5

9

1

4

1

5

8

7

6

9

7

8

3

6

4

5

2

1

3

5

2

1

9

7

6

8

4

6

2

4

5

8

9

3

7

1

1

3

6

8

4

9

2

5

7

7

4

8

6

5

1

9

2

3

8

1

9

2

7

3

4

6

5


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

meta

Difficulty:
hard

5

1

4

3

7

9

6

8

2

2

8

3

5

4

6

1

7

9

9

6

7

2

1

8

5

3

4

1

7

5

9

6

4

2

8

3

8

5

2

1

3

7

4

9

6

6

3

9

8

5

2

7

1

4

4

2

1

7

9

3

8

6

5

3

9

8

4

2

1

6

5

7

7

4

6

5

8

9

3

2

1


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

1

6

5

2

3

7

4

9

8

2

8

3

9

4

6

1

7

5

7

9

4

8

1

5

2

3

6

9

7

8

3

6

4

5

1

2

4

5

2

1

9

8

6

7

3

6

2

1

5

7

9

3

9

4

3

4

6

8

5

2

7

8

9

5

3

7

6

8

1

9

2

4

8

1

9

4

2

3

8

6

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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