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Puzzle#590

Sudoku

Released: 2026-06-19


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

4

8

7

2

1

5

9

3

6

1

3

2

8

7

6

5

4

9

9

5

6

3

4

1

2

7

8

8

1

3

6

2

4

7

9

5

7

2

4

5

9

8

6

1

3

5

6

9

1

3

7

4

8

2

3

9

8

4

5

2

1

6

7

6

7

1

9

8

3

3

2

4

2

4

5

7

6

9

8

5

1


google/gemini-3-flash-preview

google

Difficulty:
hard

4

8

9

2

7

5

3

6

1

1

3

2

8

4

6

7

5

9

7

5

6

1

3

9

2

8

4

8

1

3

5

2

4

9

7

6

5

6

4

7

9

8

2

1

3

9

2

7

6

3

7

4

5

8

3

9

8

4

5

2

1

6

7

2

7

1

9

8

3

6

4

5

6

4

5

3

1

7

5

9

2


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

4

8

9

2

1

5

7

6

3

1

3

2

8

7

6

5

4

9

7

5

6

3

4

9

2

8

1

8

1

7

6

5

4

9

3

2

2

6

4

5

9

8

7

1

3

9

5

3

1

3

7

4

2

6

3

9

8

7

5

2

1

6

4

5

7

1

9

8

3

6

2

5

6

2

4

4

6

1

5

9

7


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

meta

Difficulty:
hard

4

2

8

2

5

9

6

1

7

3

9

1

4

7

6

5

8

2

5

6

2

1

3

8

4

9

7

8

1

9

5

2

4

3

6

5

2

4

7

9

1

3

8

5

6

6

5

3

8

4

7

2

1

9

1

8

5

6

9

2

7

4

3

9

7

4

3

8

1

5

2

6

7

3

6

5

6

4

1

8

9


mistralai/mistral-medium-3

mistral

Difficulty:
hard

4

1

7

2

6

8

3

5

9

2

3

8

4

5

6

7

1

9

9

5

6

3

7

1

2

8

4

8

1

3

5

2

4

9

6

7

5

2

4

6

9

3

8

1

7

6

9

7

1

3

7

4

2

8

3

9

8

7

5

2

1

4

6

1

7

1

9

8

5

6

3

2

7

4

2

8

1

6

5

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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