# Let's build the GPT Tokenizer

**Published:** October 14, 2026
**Author:** Andrej Karpathy
**Source:** YouTube — Andrej Karpathy
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/let-s-build-the-gpt-tokenizer

hi everyone so in this video I'd like us to cover the process of tokenization in large language models now you see here that I have a set face and that's because uh tokenization is my least favorite part of working with large language models but unfortunately it is necessary to…

> From the original source: **YouTube — Andrej Karpathy**
> [Read full article at YouTube — Andrej Karpathy](https://www.youtube.com/watch?v=zduSFxRajkE)

**Tags:** #OpenAI #Papers with Code #Meta AI #YouTube

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