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Puzzle#161

Countdown

Released: 2026-04-06


11
Models Tested
2
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

735Target
50
75
25
100
10
3

((75 * 10) - (100 + 50)) * (3 - 25)

= -13200

Failed

mistralai/mistral-medium-3

mistral

735Target
50
75
25
100
10
3

(75 + 50) * (100 - (10 + 3)) + 25

= 10900

Failed

openai/gpt-4o

openai

735Target
50
75
25
100
10
3

(75 * 10) - (25 + 3 - 50)

= 772

Failed

deepseek/deepseek-chat-v3-0324

deepseek

735Target
50
75
25
100
10
3

(100 * (75 - 3)) + (50 - 25 - 10)

= 7215

Failed

x-ai/grok-3-mini-beta

x-ai

735Target
50
75
25
100
10
3

((75 * 10) - (100 / (25 / 3)))

= 738

Close; 3 away

Z.ai

z-ai/glm-5

z-ai

735Target
50
75
25
100
10
3

(100 + 10) * (50 / 25 * 3) + 75

= 735

Perfect Solution!

google/gemini-3-flash-preview

google

735Target
50
75
25
100
10
3

(75 * 10) - (50 / 100 * 25 + 3)

= 734

Close; 1 away

anthropic/claude-3.7-sonnet

anthropic

735Target
50
75
25
100
10
3

(75 - 3) * 10 * 100 / 25

= 2880

Failed

Minimax

minimax/minimax-m2.5

minimax

735Target
50
75
25
100
10
3

(100+75+50+10)*3+25

= 730

Close; 5 away

MoonshotAI

moonshotai/kimi-k2.5

moonshot

735Target
50
75
25
100
10
3

(100 * 75 - 50 * 3) / 10

= 735

Perfect Solution!

anthropic/claude-sonnet-4.6

anthropic

735Target
50
75
25
100
10
3

(75 * 10) - (50 / 25) + (100 - 3)

= 845

Failed

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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