If you search the web you’ll find lots of summaries about how ChatGPT and in general , however there’s an excellent Youtube video from ByteByte Go Channel linked below that does an excellent easy to understand light technical overview of how ChatGPT (and most other Large Language Models) work.
Best video summary of how ChatGPT / LLM work
1 May 2023 | Best video summary of how ChatGPT / LLM work |