GPT-5 Arrives, and We Try the New Alexa+

This week, OpenAI released its much-anticipated flagship model, GPT-5. We break down what we know about the upgrade, drawing from our initial testing and a special news briefing with Sam Altman. Then, we explain why we were underwhelmed by Amazon’s new Alexa+, which is powered by generative A.I., and take our feedback to Daniel Rausch, vice president of Alexa and Echo, who helps us understand why powering Alexa with L.L.M. capabilities is a major computer science challenge. Guests: Daniel Rausch, Amazon vice president of Echo and Alexa Additional reading: OpenAI Aims to Stay Ahead of Rivals With New GPT-5 Technology Amazon Unveils Alexa+, Powered by Generative A.I. We want to hear from you. Email us at hardfork@nytimes.com . Find “Hard Fork” on YouTube and TikTok . Also, you can still get a special-edition “Hard Fork” hat! For a limited time, you’ll receive one when you purchase an annual New York Times Audio subscription for the first time (U.S. only). Go to nytimes.com/hardforkhat . Subscribe today at nytimes.com/podcasts or on Apple Podcasts, Spotify and Amazon Music. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher . For more podcasts and narrated articles, download The New York Times app at nytimes.com/app. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.