Amazon has significantly upgraded its voice assistant Alexa with new AI technology, allowing for more natural and fluid conversations similar to human interaction. The transition to a large language model has faced various technical challenges, but it promises to enhance Alexa's ability to handle complex requests and improve overall user experience.

Amazon's Alexa Fund has announced investments in four new startups, focusing on innovative AI solutions. This move is part of a broader strategy to enhance the capabilities of Alexa and expand its ecosystem through advanced technology. The companies selected for investment aim to leverage AI to improve user experiences and expand functionalities in various sectors.