Max Scheijens' Blog

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vibeflip: a truly random coin flip

Aug 30, 2025

I got inspired by vibesort. What a nice way to sort a array of numbers.

Which made me think of what other thinks are hard. A computer creating randomness. Can we maybe leverage LLMs?

vibeflip

So what is vibeflip?

It's a python library that facilitates a truly random coin flip (true or false) using a LLM.

from vibeflip import vibeflip

result = vibeflip()
print(result)  # True or False
pip install vibeflip

Set your OpenAI API key as an environment variable.

export OPENAI_API_KEY=your_api_key

/s