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Puzzle#169

Countdown

Released: 2026-04-14


11
Models Tested
1
Solved
9
LLM Providers

Key:

Used
Unused

Score Threshold:

Within 7

google/gemini-2.0-flash-001

google

543Target
100
75
25
10
9
4

(100 * 4) + 75 + 10 + 9 - 25

= 469

Failed

openai/gpt-4o

openai

543Target
100
75
25
10
9
4

(75 + 9) * 4 + 25 + 10

= 371

Failed

deepseek/deepseek-chat-v3-0324

deepseek

543Target
100
75
25
10
9
4

(100 + 75) * (10 - 4) + (25 + 9)

= 1084

Failed

Minimax

minimax/minimax-m2.5

minimax

543Target
100
75
25
10
9
4

(75 * 9) + 25 - (100 / 4)

= 675

Failed

MoonshotAI

moonshotai/kimi-k2.5

moonshot

543Target
100
75
25
10
9
4

(100 - 9) * (10 - 4) - 75 / 25

= 543

Perfect Solution!

google/gemini-3-flash-preview

google

543Target
100
75
25
10
9
4

(9 * (100 - 25)) / (10 / 4) + 75

= 345

Failed

Z.ai

z-ai/glm-5

z-ai

543Target
100
75
25
10
9
4

(75 + 4) * 9 - 100 - 10 + 25

= 626

Failed

x-ai/grok-3-mini-beta

x-ai

543Target
100
75
25
10
9
4

9 * (75 - 25 + 10)

= 540

Close; 3 away

mistralai/mistral-medium-3

mistral

543Target
100
75
25
10
9
4

(100 * (4 + 9)) - (75 / 25) + 10

= 1307

Failed

anthropic/claude-3.7-sonnet

anthropic

543Target
100
75
25
10
9
4

(9 * 10 * 75) / 25 + 100 + 4

= 374

Failed

anthropic/claude-sonnet-4.6

anthropic

543Target
100
75
25
10
9
4

75 * 9 - 100 - 25 + (10 - 4)

= 556

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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