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Puzzle#292

Countdown

Released: 2026-08-15


7
Models Tested
2
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

194Target
25
50
75
5
4
3

((75 + 25) * 3) - 50 + 4

= 254

Failed

google/gemini-3-flash-preview

google

194Target
25
50
75
5
4
3

(75 * 3) - 25 - (50 / 5)

= 190

Close; 4 away

deepseek/deepseek-chat-v3-0324

deepseek

194Target
25
50
75
5
4
3

((25 + 50) + (5 * 4)) * 3

= 285

Failed

Minimax

minimax/minimax-m2.5

minimax

194Target
25
50
75
5
4
3

75 + 50 + 25 + 5 * 3 + 4

= 169

Failed

Z.ai

z-ai/glm-5

z-ai

194Target
25
50
75
5
4
3

50 * 4 - (75 / 25 + 3)

= 194

Perfect Solution!

mistralai/mistral-medium-3

mistral

194Target
25
50
75
5
4
3

(75 * (5 - (3 / (4 + 50)))) + 25

= 395

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

194Target
25
50
75
5
4
3

50*4 - (5 + 3/(75/25))

= 194

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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