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Puzzle#182

Countdown

Released: 2026-04-27


11
Models Tested
6
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

579Target
75
100
50
10
4
9

(75 * 9) - (100 - (50 + 4 + 10))

= 639

Failed

openai/gpt-4o

openai

579Target
75
100
50
10
4
9

(75 + (50 * 10)) + 4

= 579

Perfect Solution!

anthropic/claude-3.7-sonnet

anthropic

579Target
75
100
50
10
4
9

(75 * (9 - 4)) + 100 + 50 + 10

= 535

Failed

anthropic/claude-sonnet-4.6

anthropic

579Target
75
100
50
10
4
9

((75 + 4) * (10 - 9)) * 100 / 50

= 158

Failed

deepseek/deepseek-chat-v3-0324

deepseek

579Target
75
100
50
10
4
9

(100 + 50) * 4 + 75 + 10 - 9

= 676

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

579Target
75
100
50
10
4
9

50 * 10 + 75 + 4

= 579

Perfect Solution!

google/gemini-3-flash-preview

google

579Target
75
100
50
10
4
9

(50 * 10) + 75 + 4

= 579

Perfect Solution!

x-ai/grok-3-mini-beta

x-ai

579Target
75
100
50
10
4
9

((75 * 9) - (100 - 4))

= 579

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

579Target
75
100
50
10
4
9

100 * (50/10) + 75 + 4

= 579

Perfect Solution!

mistralai/mistral-medium-3

mistral

579Target
75
100
50
10
4
9

(100 * (50 - (10 + 9))) - (75 - 4)

= 3029

Failed

Z.ai

z-ai/glm-5

z-ai

579Target
75
100
50
10
4
9

100 * (50 / 10) + 75 + 4

= 579

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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