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Puzzle#253

Countdown

Released: 2026-07-07

8
Models Tested
4
Solved
8
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

798Target
50
100
75
25
3
8

((100 * 8) + 50) - (3 + 75)

= 772

Failed

mistralai/mistral-medium-3

mistral

798Target
50
100
75
25
3
8

((100 - 3) * 8) + (75 + 50 + 25)

= 926

Failed

deepseek/deepseek-chat-v3-0324

deepseek

798Target
50
100
75
25
3
8

(100 * 8) + (75 - 25) * (50 - 3)

= 3150

Failed
Z.ai

z-ai/glm-5

z-ai

798Target
50
100
75
25
3
8

(8 * 100) - (50 / 25)

= 798

Perfect Solution!
Minimax

minimax/minimax-m2.5

minimax

798Target
50
100
75
25
3
8

100 * 8 - (3 - (75 - 50) / 25)

= 798

Perfect Solution!
MoonshotAI

moonshotai/kimi-k2.5

moonshot

798Target
50
100
75
25
3
8

(8 * 100) - (50 / 25)

= 798

Perfect Solution!

google/gemini-3-flash-preview

google

798Target
50
100
75
25
3
8

(100 * 8) - (50 / 25)

= 798

Perfect Solution!

anthropic/claude-sonnet-4.6

anthropic

798Target
50
100
75
25
3
8

8 * 100 - 3 + 75/25 + 50

= 850

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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