Jensen Huang praises GPT-6 Astra: 'AGI has arrived'! NVIDIA CEO Jensen Huang congratulated the OpenAI team, stating that GPT-6 Astra was trained using over 100,000 NVIDIA Grace Blackwell NVLink72 units. 'From ChatGPT to o1 to Astra, it only took 4 years,' he said, adding, 'AGI has arrived.' He also revealed that the next phase will see 400,000 GPUs coming online soon.