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Puzzle#117

Countdown

Released: 2026-02-21


7
Models Tested
1
Solved
6
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

964Target
25
75
50
9
3
4

(75 + 25) * (9 + 3) - 50 - 4

= 1146

Failed

mistralai/mistral-medium-3

mistral

964Target
25
75
50
9
3
4

((75 + 25) * (9 + 3)) + 4

= 1204

Failed

deepseek/deepseek-chat-v3-0324

deepseek

964Target
25
75
50
9
3
4

((75 * (50 - (25 - 9))) - 4)

= 2546

Failed

google/gemini-3-flash-preview

google

964Target
25
75
50
9
3
4

(4 * (25 + 75 + 50 + 9)) - 3

= 633

Failed

openai/gpt-4o

openai

964Target
25
75
50
9
3
4

((75 + 25) * 4) - (9 * 3)

= 373

Failed

anthropic/claude-3.7-sonnet

anthropic

964Target
25
75
50
9
3
4

(75 * (50 / 25) - 4) * 9 * 3

= 3942

Failed

Z.ai

z-ai/glm-5

z-ai

964Target
25
75
50
9
3
4

4 * (75 * 3 + 50 - 25 - 9)

= 964

Perfect Solution!

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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