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Puzzle#650

Sudoku

Released: 2026-07-09


5
Models Tested
0
Solved
5
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

4

6

2

1

7

8

9

3

5

8

3

5

4

6

9

2

7

1

7

9

1

2

3

5

6

8

4

2

4

7

6

5

3

1

9

8

9

1

3

8

4

7

4

6

2

5

7

8

9

1

2

3

4

6

6

8

4

3

9

1

7

5

2

3

2

9

7

8

6

5

1

4

1

5

6

5

2

4

8

3

9


openai/gpt-4o

openai

Difficulty:
hard

4

6

1

8

7

3

9

2

5

8

3

2

9

6

5

7

4

1

7

9

5

2

1

4

6

3

4

2

4

7

6

5

9

1

8

3

9

1

3

4

8

7

4

5

6

5

7

8

1

3

2

2

9

7

6

8

4

3

2

1

5

7

9

3

2

9

7

4

6

8

1

2

1

5

6

5

9

4

3

6

9


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

meta

Difficulty:
hard

4

2

1

3

7

9

8

6

5

8

5

6

2

6

1

4

3

7

3

9

7

8

5

4

6

2

1

2

1

4

6

3

8

5

9

7

9

7

3

5

2

6

1

8

4

5

6

8

9

1

2

7

4

3

1

4

5

7

9

3

2

1

8

6

3

2

4

8

5

9

7

1

7

8

9

1

4

7

3

5

6


mistralai/mistral-medium-3

mistral

Difficulty:
hard

4

1

6

8

7

9

2

3

5

8

2

7

1

6

5

3

9

4

3

9

5

2

4

8

6

7

1

2

4

9

6

3

7

1

5

8

9

6

3

5

1

8

4

2

7

5

7

8

4

9

2

3

6

1

6

8

2

3

5

1

7

4

9

7

3

4

7

2

6

5

1

8

1

5

1

9

8

4

2

7

6


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

4

6

1

2

7

9

3

8

5

8

3

2

4

6

5

9

7

1

7

9

5

8

3

1

6

2

4

2

4

7

6

5

3

1

9

8

9

1

3

7

8

6

4

5

2

5

6

8

1

9

2

7

4

3

6

8

9

3

1

7

5

4

2

3

2

4

7

5

8

2

1

6

1

5

7

9

2

4

8

3

9


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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