OpenAI pre-trained Astra on 100,000+ GPUs, its largest training run ever

haider1 · x · 2026-09-04

OpenAI's Astra was reportedly pre-trained on more than 100,000 GPUs — by far the company's largest-scale training run yet, dwarfing previous efforts.

The figure underscores the continuing escalation of compute investment at the frontier. Details remain unconfirmed officially.

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