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Puzzle#311

Sudoku

Released: 2026-03-18


8
Models Tested
0
Solved
7
LLM Providers

openai/gpt-4o

openai

Difficulty:
hard

8

2

4

7

5

3

9

1

6

7

9

5

6

1

8

3

2

4

3

6

1

4

2

9

8

5

7

2

7

9

5

3

1

4

6

8

6

8

3

2

9

7

1

4

5

4

5

1

8

6

2

7

3

9

9

1

6

3

8

4

5

7

2

1

3

8

9

7

5

6

4

2

5

4

7

9

4

6

2

8

1


google/gemini-2.0-flash-001

google

Difficulty:
hard

8

9

2

4

5

3

7

1

6

7

5

4

6

1

8

9

2

3

3

6

1

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5

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7

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5

3

1

4

8

2

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8

3

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7

1

9

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4

1

5

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6

3

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1

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1

2

8

3

7

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6

9

4

5

3

7

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4

6

2

8

1


google/gemini-3-flash-preview

google

Difficulty:
hard

8

1

2

7

5

3

9

4

6

7

3

5

6

9

8

1

2

4

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4

1

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2

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1

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8

3

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7

1

9

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4

5

1

8

6

9

2

3

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3

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6

2

1

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7

5

1

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3

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6

9

2

5

2

7

9

4

6

3

8

1


anthropic/claude-3.7-sonnet

anthropic

Difficulty:
hard

8

4

2

7

5

3

9

1

6

7

3

5

6

1

8

2

4

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9

6

1

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3

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2

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3

1

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8

3

2

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7

1

9

5

4

5

1

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6

2

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9

3

2

8

1

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6

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4

1

9

4

3

7

5

8

2

3

5

3

7

9

4

8

6

9

1


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

meta

Difficulty:
hard

8

5

2

1

5

3

4

9

6

3

9

6

6

1

8

5

2

8

1

6

4

3

9

2

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8

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9

7

9

5

3

1

4

6

2

2

1

3

7

6

7

1

5

5

4

3

1

2

8

6

9

3

7

6

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4

2

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3

1

4

5

4

7

8

7

5

2

6

3

5

2

7

9

4

1

8

1

1


mistralai/mistral-medium-3

mistral

Difficulty:
hard

8

1

2

4

5

3

7

9

6

7

3

4

6

9

8

5

2

1

9

6

5

2

7

1

8

4

3

6

7

9

1

3

2

4

8

5

2

4

3

8

6

7

1

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4

5

1

3

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3

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6

1

8

1

8

6

7

3

5

9

2

4

5

2

8

9

4

6

3

7

1


deepseek/deepseek-chat-v3-0324

deepseek

Difficulty:
hard

8

2

4

1

5

3

7

9

6

7

3

5

6

9

8

1

2

4

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6

1

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3

2

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5

1

6

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8

3

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2

7

1

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1

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1

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8

3

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8

2

7

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6

1

9

5

2

7

9

4

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8

5

1


x-ai/grok-3-mini-beta

x-ai

Difficulty:
hard

8

1

2

7

5

3

4

9

6

3

9

4

6

1

8

5

2

7

7

5

6

2

3

9

1

4

8

6

7

9

1

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3

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4

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3

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9

1

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2

1

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1

1

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1

8

7

2


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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