The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

OpenAI has introduced GPT-5.4, the latest version of its large language model, designed to support professional knowledge work, software development and AI agent workflows. The model is being made ...

OpenAI has introduced GPT-5.4 Thinking and GPT-5.4 Pro, the newest upgrades to its GPT-5 AI models. The company says the model is more factual and token-efficient, with faster responses, improved ...

GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...

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

Many people will have experienced being unwell with an unknown infection and having to undergo multiple tests to determine the culprit. This sequential process of elimination can be time-consuming and ...

ChatGPT 5.4 model: OpenAI has introduced a new artificial intelligence model called GPT-5.4, which is now available in ...