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).
Ripple Prime institutional clients can now trade Coinbase's bitcoin, ether, solana and XRP futures in a regulated U.S. market.
ChatGPT is now using its 5.4 Thinking model for deeper reasoning, and it's even better at handling "professional work." ...
OpenAI has launched GPT-5.4, its first model with native computer-use capabilities, alongside financial plugins for Microsoft Excel and Google Sheets.