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Puzzle#218

Countdown

Released: 2026-06-02


8
Models Tested
4
Solved
8
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

mistralai/mistral-medium-3

mistral

760Target
75
100
7
1
9
7

(100 - (7 / 7)) * (9 - 1) + 75

= 867

Failed

openai/gpt-4o

openai

760Target
75
100
7
1
9
7

(75 + 7) * 9 + 1 + 100 * 7

= 1439

Failed

anthropic/claude-sonnet-4.6

anthropic

760Target
75
100
7
1
9
7

((100 + 75) * 7) - 9 - 7 + 1

= 1210

Failed

deepseek/deepseek-chat-v3-0324

deepseek

760Target
75
100
7
1
9
7

((100 + 7 + 1) * 7) + 75

= 831

Failed

Minimax

minimax/minimax-m2.5

minimax

760Target
75
100
7
1
9
7

(100 * 7) + 75 - (9 + 7 - 1)

= 760

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

760Target
75
100
7
1
9
7

100 * 7 + 75 - 9 - 7 + 1

= 760

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

760Target
75
100
7
1
9
7

100*7 + 75 - 9 - 7 + 1

= 760

Perfect Solution!

google/gemini-3-flash-preview

google

760Target
75
100
7
1
9
7

(100 * 7) + 75 - (9 + 7 - 1)

= 760

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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