传 OpenAI 用 Astra 重写推理栈，训出 Sol

Zora @utdzora原推发布于 2026.10.07

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AI is now building the next AI. OpenAI gave their best engineers Astra, and they used it to rebuild the inference stack, something previously considered nearly impossible. Result: GPT-6.1 Sol is almost as capable as Astra at roughly 1/5th the cost.

这条是引用着另一条写的：「OpenAI 内部用 Astra 重做推理栈，催生 6.1 Sol」