Jacob Effron on X: “When is harness optimization enough? When does post-training make sens…”

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Jacob Effron on X: “When is harness optimization enough? When does post-training make sens…” | PeekX

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Jacob Effron

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When is harness optimization enough? When does post-training make sense? What will determine who becomes the new AI hyperscaler?

@ypatil125, co-founder of @appliedcompute, was the perfect person to discuss this and more.

Yash worked on Codex at OpenAI before leaving to co-found

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Oct 6, 2026, 1:47 PM UTC

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