OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 Instant, GPT-5 Thinking, GPT-4.1, GPT-4.1 mini, and o4-mini.

Although large language models (LLMs) have the potential to transform biomedical research, their ability to reason accurately across complex, data-rich domains remains unproven. To address this ...

OpenAI has revealed Kepler, an internal data agent serving 3,500 employees across 600+ PB and 70,000 datasets using GPT-5 and Anthropic's Model Context Protocol.