I've built internal systems that do summarization based on knowledge retrieval systems for specific nonpublic corporate information. With GPT-4, I find very li

I've built internal systems that do summarization based on knowledge retrieval systems for specific nonpublic corporate information. With GPT-4, I find very little hallucinating. It very rarely deviates from the source material. Every time I've found something unexpected, there was a problem in the source material provided to the model.