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Puzzle#377

Sudoku

Released: 2026-04-09


8
Models Tested
0
Solved
7
LLM Providers

google/gemini-3-flash-preview

google

Difficulty:
hard

2

3

6

4

8

1

7

5

9

8

4

9

6

5

7

1

9

3

1

5

7

3

2

9

4

6

8

6

8

2

7

4

3

5

1

9

4

7

5

1

9

8

3

6

2

3

9

1

5

2

6

8

4

7

7

2

8

9

1

5

6

3

4

5

1

4

2

6

3

9

7

8

9

6

3

8

7

4

2

5

1


mistralai/mistral-medium-3

mistral

Difficulty:
hard

2

3

6

4

7

8

4

1

5

4

7

8

6

5

1

2

9

3

1

5

9

3

2

9

7

5

8

7

8

2

9

3

5

5

8

4

9

1

5

8

4

2

3

6

7

3

4

9

7

1

6

9

4

2

5

2

8

5

1

3

6

2

9

6

9

3

2

8

7

1

7

1

8

6

7

1

9

4

8

3

6


google/gemini-2.0-flash-001

google

Difficulty:
hard

9

3

6

4

7

2

1

8

5

8

2

4

1

5

3

6

9

7

1

5

7

6

8

9

4

3

2

6

4

2

7

9

1

5

8

3

7

8

5

9

4

2

3

6

1

3

9

1

8

6

5

7

4

2

4

7

8

3

1

5

2

5

6

5

1

3

2

9

6

8

7

4

2

6

9

5

3

4

8

1

3


openai/gpt-4o

openai

Difficulty:
hard

7

3

6

4

8

2

1

5

9

2

8

4

1

5

7

6

9

3

1

5

9

6

3

9

7

2

8

6

1

2

7

9

3

5

8

4

8

9

5

5

2

1

3

6

7

3

7

9

8

2

6

2

4

5

4

2

8

9

1

5

9

3

6

5

4

3

2

6

8

4

7

1

9

6

7

3

7

4

8

1

2


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

meta

Difficulty:
hard

5

3

6

4

7

8

9

1

2

7

9

2

5

5

3

4

9

8

1

4

8

9

2

9

6

5

7

9

1

2

7

4

5

3

6

8

4

5

5

1

3

2

7

9

1

3

7

9

6

1

4

2

8

5

2

8

1

3

9

6

5

7

4

8

6

4

2

8

7

1

3

9

6

2

7

8

5

1

4

2

3


anthropic/claude-3.7-sonnet

anthropic

Difficulty:
hard

8

3

6

4

7

1

2

5

9

7

4

1

6

5

2

8

9

3

1

5

9

3

6

9

7

2

8

9

1

2

7

8

3

5

1

4

4

8

5

1

9

7

3

6

2

3

7

9

5

2

6

1

4

8

5

9

8

6

1

7

4

3

2

6

4

3

2

8

5

9

7

1

2

6

7

9

3

4

8

1

5


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

9

3

6

4

8

5

1

2

7

2

8

4

6

5

1

7

9

3

1

5

7

3

2

9

6

4

8

6

4

2

1

9

7

5

8

3

8

1

5

9

4

2

3

6

7

3

7

9

8

6

5

2

4

1

7

2

8

5

1

3

4

6

9

5

9

3

2

6

8

4

7

1

4

6

1

7

3

9

8

5

2


x-ai/grok-3-mini-beta

x-ai

Difficulty:
hard

2

3

6

4

7

1

8

5

9

4

1

7

8

5

3

6

9

2

1

5

4

6

2

9

7

3

8

6

8

2

7

4

5

9

1

3

9

7

5

1

8

2

3

6

4

3

4

1

9

6

8

2

7

5

5

9

8

3

1

7

4

2

6

7

6

3

2

9

4

1

8

5

8

5

9

6

3

7

2

4

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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