October 1, 2024: OpenAI Unveils Advanced Multimodal AI Tools at DevDay - At DevDay, OpenAI launched new developer tools, including the Realtime API for seamless audio processing and GPT-4o fine-tuning for computer vision. Notable features include the ability to handle voice commands directly and enhance performance with minimal additional data. OpenAI also introduced cost-saving measures like Model Distillation and Prompt Caching to reduce hardware requirements and inference costs by up to 50%, significantly improving efficiency and response times.