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gpt-6POST

Report: OpenAI rebuilt its inference stack with Astra to train Sol

A secondhand account says OpenAI had its best engineers rebuild the inference stack with Astra, yielding GPT-6.1 Sol at nearly Astra's capability for about one-fifth the cost.

Zora
@utdzoraArchived 26 days agoOriginally posted 2026.10.07
Zora @utdzoraOriginally posted 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.

This post quotes another post: “OpenAI rebuilt its inference stack with Astra to create GPT-6.1 Sol”

x.com/utdzora/status/2107712300958515666Archived 2026.10.07 23:35