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Puzzle#190

Countdown

Released: 2026-05-05


11
Models Tested
2
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

390Target
100
25
75
50
1
3

(75 * 50 - 100) / 3 + 1

= 1217

Failed

mistralai/mistral-medium-3

mistral

390Target
100
25
75
50
1
3

(100 + (25 * 75)) - (50 * (3 + 1))

= 1775

Failed

deepseek/deepseek-chat-v3-0324

deepseek

390Target
100
25
75
50
1
3

((75 - 1) * (100 - 50)) / 25 - 3

= 145

Failed

Z.ai

z-ai/glm-5

z-ai

390Target
100
25
75
50
1
3

3 * (75 + 50 + 100/25 + 1)

= 390

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

390Target
100
25
75
50
1
3

(75 + 50 + 100/25 + 1) * 3

= 390

Perfect Solution!

openai/gpt-4o

openai

390Target
100
25
75
50
1
3

100 + 75 + 50 + 1 + 3 * 25

= 301

Failed

x-ai/grok-3-mini-beta

x-ai

390Target
100
25
75
50
1
3

((100 * 3) + 75 + 25)

= 400

Failed

anthropic/claude-3.7-sonnet

anthropic

390Target
100
25
75
50
1
3

(100 * 3) + (75 - 1) * 50

= 4000

Failed

Minimax

minimax/minimax-m2.5

minimax

390Target
100
25
75
50
1
3

100 * (1 + 3) - (75 - 50 - 25)

= 400

Failed

google/gemini-3-flash-preview

google

390Target
100
25
75
50
1
3

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

= 377

Failed

anthropic/claude-sonnet-4.6

anthropic

390Target
100
25
75
50
1
3

75 * (3 + 1) + 100 + 25 - 50

= 375

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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