GPT-6 Astra reportedly pretrained on 100k+ GPUs at Stargate, with big real-to-sim implications
erwincoumans · x · 2026-09-17
An article by walterzhu8 examines OpenAI's GPT-6 Astra and its 3D/embodied AI capabilities. OpenAI has disclosed little, but known and circulating details include pretraining on more than 100k GPUs at Stargate. The piece focuses on Astra's impact on real-to-sim transfer and physical intelligence for robotics, with robotics researchers calling it a notable signal for embodied AI. Note many details remain unverified rumors.
Related event: GPT-6 Astra Reportedly Pretrained on 100K+ GPUs, Betting on Embodied AI(2 posts)→
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