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Puzzle#146

Countdown

Released: 2026-03-22


11
Models Tested
3
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

openai/gpt-4o

openai

898Target
100
9
7
6
8
1

(100 * 9) - (7 * 6)

= 858

Failed

google/gemini-2.0-flash-001

google

898Target
100
9
7
6
8
1

(100 * 9) - 6 - 8 + 1 + 7

= 894

Close; 4 away

google/gemini-3-flash-preview

google

898Target
100
9
7
6
8
1

(100 + 1) * 9 - (7 + 6)

= 896

Close; 2 away

anthropic/claude-3.7-sonnet

anthropic

898Target
100
9
7
6
8
1

100 * 9 - (7 - 1) * 8

= 852

Failed

deepseek/deepseek-chat-v3-0324

deepseek

898Target
100
9
7
6
8
1

((100 * 9) + (8 * 7)) - 1

= 955

Failed

mistralai/mistral-medium-3

mistral

898Target
100
9
7
6
8
1

((100 - (8 + 1)) * (9 + 6)) - 7

= 1358

Failed

Z.ai

z-ai/glm-5

z-ai

898Target
100
9
7
6
8
1

(100 * 9) - (8 - 6)

= 898

Perfect Solution!

MoonshotAI

moonshotai/kimi-k2.5

moonshot

898Target
100
9
7
6
8
1

(100 * 9) - (7 - 1) * (8 - 6)

= 888

Failed

x-ai/grok-3-mini-beta

x-ai

898Target
100
9
7
6
8
1

(100 * 9) - (8 - 6)

= 898

Perfect Solution!

Minimax

minimax/minimax-m2.5

minimax

898Target
100
9
7
6
8
1

100*9-(7-6+1)

= 898

Perfect Solution!

anthropic/claude-sonnet-4.6

anthropic

898Target
100
9
7
6
8
1

( 9 * 100) - (7 - 6) + 1 - 8

= 892

Close; 6 away

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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