OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

OpenAI has launched its new ChatGPT 5.4 with Extreme Reasoning mode for long-duration task focus. As well as a 1M-token context window ...

OpenAI’s new GPT-5.4 model promises stronger reasoning, better coding capabilities and the ability to handle longer, more complex tasks. To see how well those claims hold up, I tested the model with ...

The GPT 5.4 model brings reasoning, coding, and agentic workflows into a single professional-level AI. It's now available ...

First of four parts Before we can understand how attackers exploit large language models, we need to understand how these models work. This first article in our four-part series on prompt injections ...