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Puzzle#181

Countdown

Released: 2026-04-26


11
Models Tested
0
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

869Target
100
75
50
4
4
8

(100 * 8) + 75 + 4 - 50

= 829

Failed

openai/gpt-4o

openai

869Target
100
75
50
4
4
8

((100 * 8) + (75 * 4) - 4)

= 1096

Failed

deepseek/deepseek-chat-v3-0324

deepseek

869Target
100
75
50
4
4
8

(100 * 8) + (75 * 4) + (50 + 4)

= 1154

Failed

x-ai/grok-3-mini-beta

x-ai

869Target
100
75
50
4
4
8

((100 * 8) + 75 - 4 - 4)

= 867

Close; 2 away

Minimax

minimax/minimax-m2.5

minimax

869Target
100
75
50
4
4
8

(100 + 75 + 50) * 4 - 8 * 4

= 868

Close; 1 away

anthropic/claude-3.7-sonnet

anthropic

869Target
100
75
50
4
4
8

100 * 8 + 75 - 4 - 4 + 50

= 917

Failed

anthropic/claude-sonnet-4.6

anthropic

869Target
100
75
50
4
4
8

100 * 8 + 75 - 4 - (50 / 4)

= 858

Failed

mistralai/mistral-medium-3

mistral

869Target
100
75
50
4
4
8

((100 + 75) * 8) - (50 - (4 / 4))

= 1351

Failed

Z.ai

z-ai/glm-5

z-ai

869Target
100
75
50
4
4
8

(100 + 75 + 50 - 8) * 4

= 868

Close; 1 away

MoonshotAI

moonshotai/kimi-k2.5

moonshot

869Target
100
75
50
4
4
8

4*(100+75+50) - 8*4

= 868

Close; 1 away

google/gemini-3-flash-preview

google

869Target
100
75
50
4
4
8

((100 + 8) * 4) * (75 / 50) + 4

= 652

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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