OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...
GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...
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 launches GPT-5.4 with Thinking and Pro variants, bringing a 1 million token context window, stronger benchmarks, and fewer AI errors.
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