The Microsoft logo is seen outside the Microsoft Experience Center in New York City, US, January 18, 2023. (Photo: REUTERS)

"Very long chat sessions can confuse the underlying chat model in the new Bing,” Microsoft said in the blog post.

Microsoft's decision comes days after some media outlets reported that answers from the new Bing search engine were potentially dangerous and that the technology might not be ready for prime time. 

Early search results and conversations with Microsoft's Bing and Google's chatbot, called Bard, have shown they can be unpredictable. 

When a Reuters reporter asked the new version of Bing outfitted with AI for the price of car air filters, Bing included advertisements for filters sold by auto parts website Parts Geek, not merely specific answers to the question.