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Puzzle#220

Countdown

Released: 2026-06-04


8
Models Tested
2
Solved
8
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

871Target
50
25
7
6
9
7

((50 * 9) - 7) - (25 - 6)

= 424

Failed

mistralai/mistral-medium-3

mistral

871Target
50
25
7
6
9
7

((50 + 25) * (9 + 7)) + (6 * 7)

= 1242

Failed

deepseek/deepseek-chat-v3-0324

deepseek

871Target
50
25
7
6
9
7

((25 * 7) - 6) * (50 - (9 + 7))

= 5746

Failed

Minimax

minimax/minimax-m2.5

minimax

871Target
50
25
7
6
9
7

50*25 - 9*7*6

= 872

Close; 1 away

MoonshotAI

moonshotai/kimi-k2.5

moonshot

871Target
50
25
7
6
9
7

(9 * 7 - 50) * (25 + 6 * 7)

= 871

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

871Target
50
25
7
6
9
7

(50 + 6) * (7 + 9) - 25

= 871

Perfect Solution!

google/gemini-3-flash-preview

google

871Target
50
25
7
6
9
7

(50 + 7) * (9 + 6) + 25 - 7

= 873

Close; 2 away

anthropic/claude-sonnet-4.6

anthropic

871Target
50
25
7
6
9
7

( 50 + 7) * 9 * 6 / 25 + 7

= 130

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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