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Back to No.001 GPT-6 Astra in Practice: Tests, Use Cases, and FeedbackUpdated 17 hours ago
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OpenAI compute lead says Astra is first model trained on Blackwell at scale

OpenAI's head of compute said GPT-6 Astra was the first model trained on NVIDIA Blackwell at scale, which the poster found surprising.

Nick Dorsey (AI Infra Summit)
@Midnight_CaptlArchived 2026.09.16Originally posted 2026.09.16
OpenAI compute lead says Astra is first model trained on Blackwell at scale
Nick Dorsey (AI Infra Summit) @Midnight_CaptlOriginally posted 2026.09.16
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“GPT-6 Astra was the first model trained on NVIDIA Blackwell at scale” - OpenAI head of compute @sk7037 🤔 very interesting… for some reason I thought it was the second

x.com/midnight_captl/status/2099968617723179266Archived 2026.09.16 10:18
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