Current and former employees of OpenAI are looking to sell nearly $6 billion worth of the ChatGPT maker's shares to investors ...

Bullish stock surges 84% in first trading day. DeepSeek delays launch of new model amid Huawei chip setback: FT. Amazon rocks ...

In addition to architectural changes, OpenAI opted not to increase GPT-5's context window, which you can think of as its long ...