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Puzzle#283

Countdown

Released: 2026-08-06


7
Models Tested
3
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

224Target
25
50
100
9
5
4

(50 * 4) + (25 * 5) - 9

= 316

Failed

mistralai/mistral-medium-3

mistral

224Target
25
50
100
9
5
4

(100 + 25 + 50) * (4 - (9 - 5))

= 0

Failed

deepseek/deepseek-chat-v3-0324

deepseek

224Target
25
50
100
9
5
4

(100 + 4) * (9 - 5) + 50

= 466

Failed

Minimax

minimax/minimax-m2.5

minimax

224Target
25
50
100
9
5
4

100 + 50 + 25 + 9 * 5 + 4

= 224

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

224Target
25
50
100
9
5
4

25 * 9 - 5 + 4

= 224

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

224Target
25
50
100
9
5
4

100 + 50 + 25 + 9 * 5 + 4

= 224

Perfect Solution!

google/gemini-3-flash-preview

google

224Target
25
50
100
9
5
4

(50 * 4) + 25 - (9 - 5)

= 221

Close; 3 away

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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