OpenAI debuted its most capable model yet under pressure from a mass user exodus tied to the company's controversial Pentagon ...

OpenAI launches GPT-5.4, calling it its most capable and efficient AI model yet, with AI agents, computer control, improved reasoning, and a 1M-token context.

OpenAI, Google, and Alibaba unveil faster, cheaper AI models built for real-time apps and local devices, signaling a shift from AI power to speed and efficiency.

Nearly a year after the developer preview was introduced, OpenAI released the GA version (General Availability) of the Realtime API in August 2025. The Realtime API is a multimodal interface that ...