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Puzzle#164

Countdown

Released: 2026-04-09


11
Models Tested
4
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-3-flash-preview

google

117Target
75
1
9
1
6
1

(75 + 1 + 1) * 9 / 6

= 115

Close; 2 away

anthropic/claude-3.7-sonnet

anthropic

117Target
75
1
9
1
6
1

(9 * 6 + 75) * 1

= 129

Failed

google/gemini-2.0-flash-001

google

117Target
75
1
9
1
6
1

(75 + 1) * (9 - 6 - 1)

= 152

Failed

deepseek/deepseek-chat-v3-0324

deepseek

117Target
75
1
9
1
6
1

(75 + 1 + 1) * (9 - 6)

= 231

Failed

anthropic/claude-sonnet-4.6

anthropic

117Target
75
1
9
1
6
1

75 + 9 * (6 - 1) - 1 - 1

= 118

Close; 1 away

x-ai/grok-3-mini-beta

x-ai

117Target
75
1
9
1
6
1

9 * (6 * (1 + 1) + 1)

= 117

Perfect Solution!

Z.ai

z-ai/glm-5

z-ai

117Target
75
1
9
1
6
1

75 + 6 * (9 - 1 - 1)

= 117

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

117Target
75
1
9
1
6
1

75 + 6 * (9 - 1 - 1)

= 117

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

117Target
75
1
9
1
6
1

75 + 6 * (9 - 1 - 1)

= 117

Perfect Solution!

mistralai/mistral-medium-3

mistral

117Target
75
1
9
1
6
1

(75 * (9 - 1)) + (6 * 1)

= 606

Failed

openai/gpt-4o

openai

117Target
75
1
9
1
6
1

(75 + 1) + (9 * 6)

= 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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