OpenAI's Astra trained on largest-ever run using 100K+ GPUs at Texas Stargate site
cedric_chee · x · 2026-09-04
OpenAI says Astra was built on its largest-ever training run, using more than 100,000 GPUs at its Stargate site in Texas, per a new report. The disclosure offers one of the most concrete data points yet on the compute scale behind frontier model training and confirms Stargate infrastructure is actively being used.
Related event: OpenAI Launches GPT-6 Astra, Declaring the AGI Era(388 posts)→
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