OpenAI launched significant API updates at its 2024 DevDay event, including the public beta of the Realtime API for streamlined voice assistant creation. This year’s event, featuring technical presentations instead of a keynote, is part of a global initiative with additional events planned. New features aim to enhance developer efficiency and costs, including model distillation and prompt caching. CEO Sam Altman, who stepped back from the keynote, remains engaged with developers at the event.