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).
11hon MSN
ChatGPT 5.4 is a big spreadsheet fan — and comes with special Excel & Google Sheets tools
ChatGPT is now using its 5.4 Thinking model for deeper reasoning, and it's even better at handling "professional work." ...
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