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Puzzle#299

Countdown

Released: 2026-08-22


7
Models Tested
2
Solved
7
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

502Target
75
25
6
10
4
7

(75 * 7) - ((10 - 4) * 25)

= 375

Failed

mistralai/mistral-medium-3

mistral

502Target
75
25
6
10
4
7

((75 + 25) * (10 + 4)) - (7 * 6)

= 1358

Failed

deepseek/deepseek-chat-v3-0324

deepseek

502Target
75
25
6
10
4
7

((75 * (10 - 4)) + (25 - 7))

= 468

Failed

Z.ai

z-ai/glm-5

z-ai

502Target
75
25
6
10
4
7

(75 * 7) - ((25 + 4) - 6)

= 502

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

502Target
75
25
6
10
4
7

75*7-25+6-4

= 502

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

502Target
75
25
6
10
4
7

((75 + 25) * 6) - 10 + (7 * 4)

= 618

Failed

google/gemini-3-flash-preview

google

502Target
75
25
6
10
4
7

(75 * 6) + (10 * 7) - (25 - 4)

= 499

Close; 3 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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