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Puzzle#298

Countdown

Released: 2026-08-21


7
Models Tested
4
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

639Target
75
50
4
10
5
3

((75 + 5) * 10) - (3 + 4)

= 793

Failed

mistralai/mistral-medium-3

mistral

639Target
75
50
4
10
5
3

(75 * (10 - 3)) - (50 / (5 - 4))

= 475

Failed

google/gemini-3-flash-preview

google

639Target
75
50
4
10
5
3

((75 + 50) * 5) + 10 + 4

= 639

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

639Target
75
50
4
10
5
3

(75 + 50) * 5 + (10 + 4)

= 639

Perfect Solution!

deepseek/deepseek-chat-v3-0324

deepseek

639Target
75
50
4
10
5
3

(75 * (10 - 3)) + (50 * 4) - 5

= 720

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

639Target
75
50
4
10
5
3

50*(10+3) - 75/5 + 4

= 639

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

639Target
75
50
4
10
5
3

(75 + 50) * 5 + 10 + 4

= 639

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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