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Puzzle#204

Countdown

Released: 2026-05-19


8
Models Tested
0
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

289Target
100
50
75
8
5
10

((75 - 8) * 5) - 10

= 325

Failed

mistralai/mistral-medium-3

mistral

289Target
100
50
75
8
5
10

(100 + 75 + 50) * (8 - (10 - 5))

= 675

Failed

deepseek/deepseek-chat-v3-0324

deepseek

289Target
100
50
75
8
5
10

(75 - 50) * 10 + 100 - (8 + 5)

= 337

Failed

google/gemini-2.0-flash-001

google

289Target
100
50
75
8
5
10

(75 * 5) - (100 - 8)

= 283

Close; 6 away

google/gemini-3-flash-preview

google

289Target
100
50
75
8
5
10

((75 * 8) + 100) / (50 / 10) + 5

= 145

Failed

Minimax

minimax/minimax-m2.5

minimax

289Target
100
50
75
8
5
10

(100 * 5) - (75 + 8 + 10)

= 407

Failed

Z.ai

z-ai/glm-5

z-ai

289Target
100
50
75
8
5
10

(50 + 8) * 5

= 290

Close; 1 away

anthropic/claude-sonnet-4.6

anthropic

289Target
100
50
75
8
5
10

100 * (75 - 50) / 10 + 5 * 8

= 290

Close; 1 away

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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