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's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...
OpenAI's GPT-5.4 debuts with financial tools, FactSet integration, Excel support, and investment analysis features for ChatGPT Plus, Team, and Pro users.
OpenAI has launched GPT-5.4, its first model with native computer-use capabilities, alongside financial plugins for Microsoft Excel and Google Sheets.