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.

Original post →

More from Embodied

Embodied channel →