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Puzzle#197

Countdown

Released: 2026-05-12


9
Models Tested
2
Solved
8
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

572Target
75
25
100
50
7
5

((75 + 5) * 7) + 25 - 100

= 485

Failed

google/gemini-3-flash-preview

google

572Target
75
25
100
50
7
5

(100 * 5) + 75 - (50 / (25 / 7))

= 561

Failed

anthropic/claude-sonnet-4.6

anthropic

572Target
75
25
100
50
7
5

75 * 7 + 50 - 25 + 100 / 5

= 570

Close; 2 away

deepseek/deepseek-chat-v3-0324

deepseek

572Target
75
25
100
50
7
5

((100 + 7) * 5) + 50 - 25

= 560

Failed

Z.ai

z-ai/glm-5

z-ai

572Target
75
25
100
50
7
5

7 * (75 + (100 + 50) / 25) + 5

= 572

Perfect Solution!

x-ai/grok-3-mini-beta

x-ai

572Target
75
25
100
50
7
5

((100 * 5) + 75 - (7 - (50 / 25)))

= 570

Close; 2 away

google/gemini-2.0-flash-001

google

572Target
75
25
100
50
7
5

(100 * 5) + 75 + 7 - 50

= 532

Failed

Minimax

minimax/minimax-m2.5

minimax

572Target
75
25
100
50
7
5

100 + 75 + 50 * 7 - 5

= 520

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

572Target
75
25
100
50
7
5

(100 - 50/25) * 5 + 75 + 7

= 572

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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