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Puzzle#288

Countdown

Released: 2026-08-11


7
Models Tested
2
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

deepseek/deepseek-chat-v3-0324

deepseek

318Target
75
50
25
10
10
8

((50 - 10) * 8) + (75 - 25)

= 370

Failed

Z.ai

z-ai/glm-5

z-ai

318Target
75
50
25
10
10
8

25 * 10 + 50 + 10 + 8

= 318

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

318Target
75
50
25
10
10
8

25 * 10 + 50 + 10 + 8

= 318

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

318Target
75
50
25
10
10
8

75*(50-10)/10+25-8

= 317

Close; 1 away

openai/gpt-4o

openai

318Target
75
50
25
10
10
8

((75 + 8) * 10) - 50 - 10

= 770

Failed

google/gemini-3-flash-preview

google

318Target
75
50
25
10
10
8

(75 * (50 + 25)) / (10 + 8) + 10

= 322

Close; 4 away

mistralai/mistral-medium-3

mistral

318Target
75
50
25
10
10
8

((75 + 50) * (10 - 8)) + (25 + 10)

= 285

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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