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Puzzle#157

Countdown

Released: 2026-04-02


11
Models Tested
9
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

google/gemini-3-flash-preview

google

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

deepseek/deepseek-chat-v3-0324

deepseek

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

anthropic/claude-3.7-sonnet

anthropic

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

anthropic/claude-sonnet-4.6

anthropic

110Target
50
25
100
75
10
6

100 + 10 + 6 - 25 + 75 - 50

= 116

Close; 6 away

x-ai/grok-3-mini-beta

x-ai

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

google/gemini-2.0-flash-001

google

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

110Target
50
25
100
75
10
6

100 + 10

= 110

Perfect Solution!

mistralai/mistral-medium-3

mistral

110Target
50
25
100
75
10
6

(100 + (75 - (25 + 10))) * 6

= 840

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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