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Puzzle#289

Countdown

Released: 2026-08-12

7
Models Tested
3
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

432Target
50
100
6
7
4
3

(50 + (100 * (7 - 4))) + 6

= 356

Failed

mistralai/mistral-medium-3

mistral

432Target
50
100
6
7
4
3

(100 * (7 - 3)) * (6 + 4)

= 4000

Failed

deepseek/deepseek-chat-v3-0324

deepseek

432Target
50
100
6
7
4
3

((100 - 50) * (7 + 3)) - (6 * 4)

= 476

Failed
Z.ai

z-ai/glm-5

z-ai

432Target
50
100
6
7
4
3

6 * (100 - 7 * 4)

= 432

Perfect Solution!
MoonshotAI

moonshotai/kimi-k2.5

moonshot

432Target
50
100
6
7
4
3

((100 + 50) - 6) * 3

= 432

Perfect Solution!
Minimax

minimax/minimax-m2.5

minimax

432Target
50
100
6
7
4
3

100 * 4 + (50 - 6 * 3)

= 432

Perfect Solution!

google/gemini-3-flash-preview

google

432Target
50
100
6
7
4
3

(100 + 50 + 7 + 4 - 3) * 6

= 948

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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