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 launched GPT-5.4, its first model with native computer-use capabilities, alongside financial plugins for Microsoft Excel and Google Sheets.

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