Summary

That's a whole lot of compute, and apparently a big chunk of that went into 'safety and alignment' OpenAI began rolling out GPT-6 Astra access to a limited number of organisations earlier this week, with wider subscriber access planned to soon follow. According to Jensen Huang via X , the model was trained on "~100K+ Nvidia Grace Blackwell NVLink72" server racks, and there are already plans to get 400,000 GPUs online in anticipation of whatever comes next.

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