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Puzzle#653

Sudoku

Released: 2026-07-10


5
Models Tested
0
Solved
5
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

3

4

8

6

1

2

7

9

5

7

9

1

5

4

2

8

6

3

6

2

5

8

9

3

4

2

1

1

8

6

3

5

4

9

2

7

2

3

4

7

2

9

5

8

6

5

7

9

1

8

6

3

4

2

8

6

3

9

7

5

2

1

4

7

5

9

2

3

1

6

8

4

4

1

2

4

6

8

5

7

9


openai/gpt-4o

openai

Difficulty:
hard

3

4

1

8

2

7

6

9

5

7

9

5

1

6

4

8

3

2

6

2

8

5

9

3

7

4

1

1

8

7

6

5

9

4

2

3

5

3

4

7

1

2

9

8

6

2

6

9

4

8

6

3

5

7

8

7

3

9

4

5

1

6

2

4

5

6

2

7

1

5

1

9

9

1

2

3

3

8

5

7

4


mistralai/mistral-medium-3

mistral

Difficulty:
hard

3

4

7

8

2

9

6

1

5

5

9

1

6

7

4

8

3

2

6

2

8

5

4

3

7

9

1

1

3

8

4

5

7

9

2

6

2

7

4

1

9

8

5

6

3

9

6

5

3

8

2

4

1

7

8

1

3

9

6

5

2

4

7

4

5

2

7

3

1

6

8

9

7

8

9

2

1

6

3

5

4


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

meta

Difficulty:
hard

5

4

8

6

3

2

1

9

7

9

1

6

4

7

8

5

3

2

6

2

7

1

9

5

4

8

3

1

8

5

3

4

6

2

7

9

3

9

4

2

8

1

7

6

5

2

7

1

5

6

9

8

4

3

8

5

3

9

1

7

6

2

4

4

6

2

8

5

3

9

1

7

7

3

9

4

2

1

5

8

6


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

3

4

8

1

6

9

2

7

5

5

9

1

7

2

4

8

6

3

6

2

7

8

5

3

4

9

1

1

3

6

4

5

7

9

2

8

2

7

4

3

9

8

5

1

6

9

8

5

2

1

6

3

4

7

8

1

3

9

7

5

6

4

2

7

5

9

6

4

2

1

3

8

4

6

2

5

3

8

9

7

1


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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