This monologue-style podcast covers OpenAI's Dev Day 2024 announcements. The speaker begins by introducing four key updates: the Realtime Voice API, vision fine-tuning, model distillation, and prompt caching. The core of the podcast then details each update, providing examples of how companies are already using these features (e.g., Healthify using the Realtime API for fitness coaching, Automate improving RPA agent success rates with vision fine-tuning). Finally, the speaker discusses the rollout of advanced voice features to ChatGPT users, noting exceptions for EU users due to regulations. Listeners gain a practical understanding of how these AI advancements are impacting various industries and potentially reducing costs for developers.