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Puzzle#273

Countdown

Released: 2026-07-27

7
Models Tested
3
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

mistralai/mistral-medium-3

mistral

577Target
25
100
2
4
10
10

((100 + 25) * (10 - (4 / (10 / 2))))

= 1150

Failed

deepseek/deepseek-chat-v3-0324

deepseek

577Target
25
100
2
4
10
10

(100 - 25) * (10 - 2) + 10 + 4

= 614

Failed
MoonshotAI

moonshotai/kimi-k2.5

moonshot

577Target
25
100
2
4
10
10

100*(10-4) - 25 + 2

= 577

Perfect Solution!

openai/gpt-4o

openai

577Target
25
100
2
4
10
10

((100 * 4) + (25 * 10))-2

= 648

Failed
Minimax

minimax/minimax-m2.5

minimax

577Target
25
100
2
4
10
10

(25 * 10 + 100) * 4 - 2

= 1398

Failed
Z.ai

z-ai/glm-5

z-ai

577Target
25
100
2
4
10
10

(10 - 4) * 100 + 2 - 25

= 577

Perfect Solution!

google/gemini-3-flash-preview

google

577Target
25
100
2
4
10
10

(100 * (10 - 4)) - 25 + 2

= 577

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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