AI OpenAI's new API is all about voice agents MCP support and asynchronous function calling upgrades aim to capture the attention of a growing market. Noah Bovenizer Aug 29, 2025 - 2 min read Photo by Jason Rosewell on Unsplash Get the full story: Subscribe for free Join peers managing over $100 billion in annual IT spend and subscribe to unlock full access to The Stack’s analysis and events. Subscribe now Already a member? Sign in