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Puzzle#116

Countdown

Released: 2026-02-20

6
Models Tested
3
Solved
6
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

903Target
75
50
100
25
6
2

((75 + 25) * (6 + 2)) - 50

= 750

Failed

anthropic/claude-3.7-sonnet

anthropic

903Target
75
50
100
25
6
2

(75 * 100) / 25 * 6 * 2

= 3600

Failed

deepseek/deepseek-chat-v3-0324

deepseek

903Target
75
50
100
25
6
2

((100 + 50) * 6) + (75 - (25 + 2))

= 948

Failed

x-ai/grok-3-mini-beta

x-ai

903Target
75
50
100
25
6
2

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

= 903

Perfect Solution!
Z.ai

z-ai/glm-5

z-ai

903Target
75
50
100
25
6
2

(100 + 50) * 6 + 75 / 25

= 903

Perfect Solution!
MoonshotAI

moonshotai/kimi-k2.5

moonshot

903Target
75
50
100
25
6
2

(100 + 50) * 6 + 75 / 25

= 903

Perfect Solution!

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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