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picoGPT
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picoGPT

An unnecessarily tiny implementation of GPT-2 in NumPy.

by jaymody · GitHub
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deep-learninggptgpt-2MITPython
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In plain words

Run a tiny version of the GPT-2 language model using simple code in Python, focusing on readability.

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3.47k3.46k
2026-07-072026-08-31
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📄 About

An unnecessarily tiny implementation of GPT-2 in NumPy.

picoGPT has 3.5k stars on GitHub. It has been forked 456 times. picoGPT is written mainly in Python. It has been in active development since 2023. picoGPT is available under the MIT license. Its main topics are deep-learning, gpt, gpt-2, large-language-models.

Frequently asked questions

What is picoGPT?

An unnecessarily tiny implementation of GPT-2 in NumPy.

Is picoGPT open source?

picoGPT is an open-source project. It is released under the MIT license.

Is picoGPT free?

Yes. picoGPT is free and open source — you can use, modify and self-host it.

What license does picoGPT use?

picoGPT is available under the MIT license.

What language is picoGPT written in?

picoGPT is written mainly in Python.

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