alt Hacker NewsIndex is just a part of the model. The nice property is that the index for LLM does not need to be updated often so LLM plus index can be static. This even works for the latest news as LLM can fetch major news sites to learn the latest stories and then fetch individual articles for the final answer.
> Index is just a part of the model
I can assure you that it is not. If you download any model off of huggingface, it does not also include an index of the internet.
That screenshot shows the model making a tool call to an external search index.