All the biggest news from AWS’ big tech show re:Invent 2025

At AWS re:Invent 2025, Amazon Web Services emphasized AI advancements focused on enterprise customization and autonomous AI agents. CEO Matt Garman highlighted a shift from AI assistants to AI agents capable of independently performing tasks and automating workflows, unlocking significant business value. Key announcements included expanded capabilities for AWS’s AgentCore platform, such as policy-setting features to control AI agent behavior, enhanced memory and logging functions, and 13 pre-built evaluation systems to help customers assess agent performance. AWS also introduced three new “Frontier agents” designed for coding, security reviews, and DevOps tasks, with preview versions already available. AWS unveiled its new AI training chip, Trainium3, promising up to 4x performance improvements and 40% lower energy use for AI training and inference. The company teased Trainium4, which will be compatible with Nvidia chips, signaling deeper integration with Nvidia technology. Additionally, AWS expanded its Nova AI model family with new text and multimodal models, alongside Nova Forge, a