# Everything a Senior Engineer Needs to Know About What's Inside an LLM

DevFeed: [Everything a Senior Engineer Needs to Know About What's Inside an LLM](<https://devfeed.tech/articles/everything-a-senior-engineer-needs-to-know-about-what-s-inside-an-llm-37412.md>)

Original publisher: [Read original article](<https://www.pathtostaff.com/p/everything-a-senior-engineer-needs>)

Author: Sidwyn Koh

Published: 2026-06-20T17:00:09Z

Content type: tutorial

Language: en

Sources: [Path to Staff](<https://devfeed.tech/sources/path-to-staff.md>)

Topics: [Large Language Model](<https://devfeed.tech/topics/llm.md>), [model architecture](<https://devfeed.tech/topics/model-architecture.md>), [Neural Network](<https://devfeed.tech/topics/neural-network.md>), [Transformers](<https://devfeed.tech/topics/transformers.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [learning](<https://devfeed.tech/tags/learning.md>), [llms](<https://devfeed.tech/tags/llms.md>), [models](<https://devfeed.tech/tags/models.md>), [neural-network](<https://devfeed.tech/tags/neural-network.md>)

## AI overview

This tutorial explains the architecture and internal components of large language models, including the role of neural networks, recurrent neural networks, transformers, and diffusion models. It is part of a series covering AI systems in depth.

## Source excerpt

Learn what AI models are made of