# Posts by tag 'chatgpt' — Liran Tal

AI security researcher, open-source maintainer, and author. Explore Liran Tal’s blog, research papers, developer tools, books, and conference talks.

Canonical: https://lirantal.com/tag/chatgpt

*   Feb 28, 2025 · 3 min read

    ## [What is an LLMs.txt File?](/blog/what-is-an-llms-txt-file)

    Building with Large Language Models (LLMs) requires context and metadata. The \`llms.txt\` file format is a simple text file that provides LLMs with relevant context and metadata.

    *   [LLM](/tag/llm)
    *   [ChatGPT](/tag/chatgpt)
    *   [AI](/tag/ai)

     [![](/_astro/what-is-llms-txt-file.m38k31jh_p7KKJ.jpg)](/blog/what-is-an-llms-txt-file)