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Puzzle#227

Countdown

Released: 2026-06-11

7
Models Tested
3
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

324Target
50
100
25
75
4
2

(75 + 25) * 4 + (50 / 2)

= 425

Failed

deepseek/deepseek-chat-v3-0324

deepseek

324Target
50
100
25
75
4
2

(100 + 2) * (4 - (75 / 25))

= 102

Failed

mistralai/mistral-medium-3

mistral

324Target
50
100
25
75
4
2

(100 - 25) * (4 + (75 / 50))

= 412

Failed
Z.ai

z-ai/glm-5

z-ai

324Target
50
100
25
75
4
2

(100/25 + 2) * (50 + 4)

= 324

Perfect Solution!
MoonshotAI

moonshotai/kimi-k2.5

moonshot

324Target
50
100
25
75
4
2

(50 + 4) * (100 / 25 + 2)

= 324

Perfect Solution!
Minimax

minimax/minimax-m2.5

minimax

324Target
50
100
25
75
4
2

(100 - (50 - 4)) * (75 / 25 * 2)

= 324

Perfect Solution!

google/gemini-3-flash-preview

google

324Target
50
100
25
75
4
2

(100+50+4)*2+25-75

= 258

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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