Not really an ELI5, but it you really want to understand the topic, I've gathered the best resources I could find to help me do the same: https://blog.senko.net/learn-ai
If you're a programmer, start with Karpathy's video series. For a somewhat gentler intro, take a look at the MIT intro lectures first to build up on the fundamentals.
Then you're ready for The Illustrated Transformer, and afterwards, if you're brave enough, the Annotated Transformer.
It's a fascinating subject, more so when you have a solid grasp! And you'll be able to quickly spot people who kinda stumble they way through but have big gaps in understanding.
If you're a programmer, start with Karpathy's video series. For a somewhat gentler intro, take a look at the MIT intro lectures first to build up on the fundamentals.
Then you're ready for The Illustrated Transformer, and afterwards, if you're brave enough, the Annotated Transformer.
It's a fascinating subject, more so when you have a solid grasp! And you'll be able to quickly spot people who kinda stumble they way through but have big gaps in understanding.