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Puzzle#265

Countdown

Released: 2026-07-19

8
Models Tested
2
Solved
8
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

308Target
25
100
50
3
1
1

100 * 3 + 50 + 25 + 1 + 1

= 377

Failed

mistralai/mistral-medium-3

mistral

308Target
25
100
50
3
1
1

((100 + 25) * 3) - (50 / (1 + 1))

= 350

Failed

deepseek/deepseek-chat-v3-0324

deepseek

308Target
25
100
50
3
1
1

(100 + (50 - (1 + 1))) * 3

= 444

Failed

anthropic/claude-sonnet-4.6

anthropic

308Target
25
100
50
3
1
1

25 * 100 / (50 - 1 - 1) + 3

= 55

Failed
Minimax

minimax/minimax-m2.5

minimax

308Target
25
100
50
3
1
1

((100 + 50) * 3) - 25 - 1

= 424

Failed
MoonshotAI

moonshotai/kimi-k2.5

moonshot

308Target
25
100
50
3
1
1

(100 + 50 / 25) * 3 + 1 + 1

= 308

Perfect Solution!
Z.ai

z-ai/glm-5

z-ai

308Target
25
100
50
3
1
1

3 * (100 + 1 + 1) + 50 / 25

= 308

Perfect Solution!

google/gemini-3-flash-preview

google

308Target
25
100
50
3
1
1

(3 * 100) + 25 - (50 / (1 + 1))

= 300

Failed

Methodology Note

Each model receives the same prompt with the numbers to use. Models are tasked with creating an expression using only arithmetic operations to reach the target number. Each number can only be used once and you do not have to use all the numbers. Their answers are evaluated without feedback or retries.

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