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Puzzle#179

Countdown

Released: 2026-04-24


11
Models Tested
6
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

mistralai/mistral-medium-3

mistral

590Target
100
25
8
2
1
9

(100 - (25 - (9 + 2))) * (8 + 1)

= 774

Failed

openai/gpt-4o

openai

590Target
100
25
8
2
1
9

(100 * 9) - (25 + 8 + 2) + 1

= 866

Failed

google/gemini-2.0-flash-001

google

590Target
100
25
8
2
1
9

(100 * 8) - (25 - 9 + 1) * 2

= 766

Failed

deepseek/deepseek-chat-v3-0324

deepseek

590Target
100
25
8
2
1
9

((100 + 9) * (8 - 2)) - 25 - 1

= 628

Failed

x-ai/grok-3-mini-beta

x-ai

590Target
100
25
8
2
1
9

((100 * (8 - 2)) - (9 + 1))

= 590

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

590Target
100
25
8
2
1
9

100 * (8 - 2) - (9 + 1)

= 590

Perfect Solution!

anthropic/claude-3.7-sonnet

anthropic

590Target
100
25
8
2
1
9

(100 * 9) - 8 - 2

= 890

Failed

Minimax

minimax/minimax-m2.5

minimax

590Target
100
25
8
2
1
9

100 * (8 - 2) - 9 - 1

= 590

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

590Target
100
25
8
2
1
9

((8 - 2) * 100) - (9 + 1)

= 590

Perfect Solution!

google/gemini-3-flash-preview

google

590Target
100
25
8
2
1
9

(100 - 25) * 8 - (1 + 9)

= 590

Perfect Solution!

anthropic/claude-sonnet-4.6

anthropic

590Target
100
25
8
2
1
9

100 * (8 - 2) - 9 - 1

= 590

Perfect Solution!

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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