Tech blog
How do large language models (LLMs) really work?
Discover how large language models (LLMs) work with Shivam Chandarana in this quick video on neural networks, backpropagation, and RLHF in AI.

With the rapid advancement of AI, it can often feel like a sentient being is responding to our queries. In reality, it’s the magic of large language models (LLMs). But how do LLMs actually work?
In our latest “Data Engineering in Five Minutes” series, Shivam Chandarana (Technical Lead, Softwire) will:
- Unpack what’s under the hood of LLMs
- Explain the foundations of neural networks
- Evolve a simple classifier into a language model
- Outline how backpropagation enables training
- Discuss how RLHF advances modern conversational models
Author: Shivam Chandarana

Editor: Helen Jackson
Principal Technical Consultant
05 August 2025
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