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Puzzle#195

Countdown

Released: 2026-05-10


11
Models Tested
4
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

456Target
100
50
25
6
2
9

(6 * 50) + (9 * (25 + 2))

= 543

Failed

google/gemini-2.0-flash-001

google

456Target
100
50
25
6
2
9

((100 + 50) * 2) + 25 + 6 - 9

= 322

Failed

anthropic/claude-3.7-sonnet

anthropic

456Target
100
50
25
6
2
9

100 * (50 - 25 - 2) - 9 + 6

= 2297

Failed

deepseek/deepseek-chat-v3-0324

deepseek

456Target
100
50
25
6
2
9

(100 + 50) * (25 - 9) / 6 * 2

= 800

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

456Target
100
50
25
6
2
9

9 * 50 + 6

= 456

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

456Target
100
50
25
6
2
9

9 * 50 + 6

= 456

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

456Target
100
50
25
6
2
9

(50 * 9) + 6

= 456

Perfect Solution!

x-ai/grok-3-mini-beta

x-ai

456Target
100
50
25
6
2
9

50 * 9 + 6

= 456

Perfect Solution!

mistralai/mistral-medium-3

mistral

456Target
100
50
25
6
2
9

(100 * (50 - 25)) - (9 * (6 + 2))

= 2428

Failed

google/gemini-3-flash-preview

google

456Target
100
50
25
6
2
9

(100 * (50 + 6)) / (25 / 2) + 9

= 457

Close; 1 away

anthropic/claude-sonnet-4.6

anthropic

456Target
100
50
25
6
2
9

100 * (2 + 9) / 25 * (50 - 6)

= 1936

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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