For agents, the value is clearer still: structured JSON output, reusable commands and built-in skills that let models interact with Workspace data and actions without a custom integration layer.

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 released its latest GPT-5 model, revealing a new platform with some interesting workplace skills - especially if you're a spreadsheet fan. GPT-5.4 is being positioned as OpenAI's "most ...

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