Microsoft Foundry Expands AI Agent Capabilities with New Models, Voice, and Resilient Workflows

Microsoft Foundry now offers expanded choices for frontier AI models, introduces native voice agent capabilities, and enables resilient long-running agent tasks. These enhancements allow businesses to quickly adopt evolving AI models, build more natural conversational interfaces, and handle complex, multi-stage enterprise workflows. The updates primarily affect developers and enterprises building and operating AI agents on Microsoft Foundry. GPT-6 and Claude Opus 5.5 are now available; voice agents and resilient hosted agents are in public preview, while some toolbox features are generally available.