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Puzzle#677

Sudoku

Released: 2026-07-18


5
Models Tested
0
Solved
5
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

6

9

5

2

3

7

8

4

1

3

4

2

5

6

9

7

1

8

7

8

1

4

2

8

6

5

9

4

6

8

3

5

1

9

2

7

5

1

3

7

9

2

4

8

6

9

7

2

8

4

6

5

3

1

2

9

6

1

1

5

3

7

4

8

3

7

9

5

4

2

6

5

1

5

4

6

7

3

1

9

2


google/gemini-3-flash-preview

google

Difficulty:
hard

6

9

1

2

5

8

7

4

3

3

2

5

9

4

6

1

7

8

7

4

8

1

3

7

6

5

9

4

6

2

3

8

5

9

1

7

5

1

3

7

9

2

8

6

4

8

7

9

4

6

1

5

3

2

2

8

6

5

1

3

4

9

7

7

3

4

8

2

4

4

1

6

1

5

4

6

7

9

3

8

2


mistralai/mistral-medium-3

mistral

Difficulty:
hard

6

8

5

2

3

9

7

4

1

3

9

4

7

6

5

1

2

8

7

2

1

1

4

8

6

5

9

4

6

9

3

5

1

8

9

7

5

1

3

8

9

7

4

6

2

8

7

2

4

6

3

5

1

9

2

4

7

5

1

6

3

8

5

9

3

6

9

2

4

7

3

6

1

5

8

6

7

3

2

9

4


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

meta

Difficulty:
hard

6

8

5

2

4

3

1

4

9

3

4

2

8

5

1

6

9

7

1

9

7

4

6

5

8

3

2

4

3

6

5

8

2

9

1

7

8

1

4

3

9

7

5

6

2

5

2

9

1

7

6

4

8

3

2

6

1

9

3

8

7

5

4

9

5

8

7

2

4

3

1

6

7

4

3

6

1

9

2

5

8


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

6

9

1

2

5

7

8

4

3

3

2

5

4

6

9

7

1

8

7

4

8

1

3

8

6

5

9

4

6

2

3

8

5

9

2

7

5

1

3

7

9

2

4

8

6

8

7

9

6

4

1

5

3

2

2

8

6

9

1

3

4

7

5

9

3

7

5

2

4

1

6

8

1

5

4

6

7

8

2

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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