After years of focusing on AI infrastructure, Amazon is plunging into the frontier model business with the Nova series. The new family of generative AI models includes the text-to-text model Amazon Nova Micro and Amazon Nova Lite for fast, mobile-friendly apps, and at the upper echelon the multimodal Amazon Nova Pro and Amazon Nova Premier for processing text, images and video. Amazon, which is heavy into production via Amazon Studios and MGM, is also launched two specialty models focused on “studio quality” output — Amazon Nova Canvas for images and Amazon Nova Reel for video. Read more

Amazon Web Services is building a supercomputer in collaboration with Anthropic, the AI startup in which the e-commerce giant has an $8 billion minority stake. Hundreds of thousands of AWS’s flagship Trainium chips will be amassed in an “Ultracluster” that when it is completed in 2025 will be one of the largest supercomputers in the world for model training, Amazon says. The company announced the general availability of AWS Trainium2-powered Amazon Elastic Compute Cloud (EC2) virtual servers as well as Trn2 UltraServers designed to train and deploy AI models and teased next-generation Trainium3 chips. Read more

Walmart has closed its $2.3 billion all-cash acquisition of smart television maker Vizio. The deal increases the retail giant’s media clout, signaling an expansion of its video-based advertising efforts and interest in content-based marketing. “The acquisition of Vizio and its SmartCast operating system allows Walmart to serve its customers in new ways to enhance their shopping journeys,” Walmart said in concluding the deal, initiated in February. Walmart’s media efforts to date have focused around Walmart Connect, which works with brands to position ads across Walmart.com and in the company’s U.S. stores. Read more

“AI won’t exist as an app, or a button… it’ll be an entirely new environment built on top of a web browser.” That is the pitch from The Browser Company, the New York-based firm behind the Arc browser that is now developing an AI-first web interface called Dia, expected to debut early next year. Dia aims to leverage AI tools to simplify common Internet tasks. The repertoire is now a familiar one, with things like writing assists and inspirational prompts becoming AI givens in a competitive field where Microsoft Copilot and Google Gemini are already established. The Browser Company is trying to distinguish Dia with a simple, user-friendly interface. Read more

Artificial voice startup Hume AI has had a busy Q4, introducing Voice Control, a no-code artificial speech interface that gives users control over 10 voice dimensions ranging from “assertiveness” to “buoyancy” and “nasality.” The company also debuted an interface that “creates emotionally intelligent voice interactions” with Anthropic’s foundation model Claude that has prompted one observer to ponder the possibility that keyboards will become a thing of the past when it comes to controlling computers. Both advances expand on Hume’s work with its own foundation model, Empathic Voice Interface 2 (EVI 2), which adds emotional timbre to AI voices. Read more