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Puzzle#243

Countdown

Released: 2026-06-27

7
Models Tested
3
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

970Target
75
100
25
50
6
5

(6 * 100) + 50 + 25 - 5

= 670

Failed

deepseek/deepseek-chat-v3-0324

deepseek

970Target
75
100
25
50
6
5

((100 + 75) * 5) + 50 + 25

= 950

Failed

mistralai/mistral-medium-3

mistral

970Target
75
100
25
50
6
5

(100 - (75 - (50 + 25))) * (6 + 5)

= 1100

Failed
MoonshotAI

moonshotai/kimi-k2.5

moonshot

970Target
75
100
25
50
6
5

50 * (25 - 6) + (100 / 5)

= 970

Perfect Solution!
Minimax

minimax/minimax-m2.5

minimax

970Target
75
100
25
50
6
5

50 * (100 - 75 - 6) + (25 - 5)

= 970

Perfect Solution!
Z.ai

z-ai/glm-5

z-ai

970Target
75
100
25
50
6
5

50 * (25 - 6) + 100 / 5

= 970

Perfect Solution!

google/gemini-3-flash-preview

google

970Target
75
100
25
50
6
5

(100 * (5 + 50)) / 6 + 25 + 75

= 1016

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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