GPT-5.5 is off to an incredible start.
Frontier AI leadership depends on two things working together: training more capable models, and serving them quickly, reliably, and efficiently at scale.
GPT-5.5 was trained on the @Oracle Abilene supercomputer, part of our Stargate initiative and built on Oracle Cloud Infrastructure with @nvidia GB200 systems. A strong example of what deep partnership and ambitious execution can unlock.
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