OpenAI Just Launched GPT-6 Astra and Nvidia’s Jensen Huang Is Calling It a Turning Point

TLDR

• Nvidia CEO Jensen Huang declared “AGI has arrived” after OpenAI launched GPT-6 Astra on September 3
• Astra was trained on more than 100,000 Nvidia Grace Blackwell NVLink72 systems
• The model scored 98% on FrontierMath Tier 4, 99.9% on ARC-AGI-3, and 100% on ExploitBench
• Huang said another 400,000 Nvidia GPUs are coming online next
• Not everyone agrees: AI critic Gary Marcus pushed back, noting there is no universally accepted definition of AGI

OpenAI launched GPT-6 Astra on September 3, 2026, calling it its most capable and aligned AI model to date. The launch quickly drew attention from across the tech world, including from Nvidia CEO Jensen Huang.

Huang posted on X on September 7, writing “AGI has arrived” and congratulating the OpenAI team. He pointed to Astra’s training infrastructure as proof of how far AI development has come.

GPT-6 Astra, trained on ~100K+ NVIDIA Grace Blackwell NVLink72. From ChatGPT to o1 to Astra in 4 years.

AGI has arrived. Congratulations @OpenAI team.

400K GPUs coming online next.

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