lateinteraction pushes back on Astra architecture guess: it's nothing like a BERT wrapper
_AndrewZhao · x · 2026-09-16
A short technical exchange speculating on GPT-6 Astra's architecture. AndrewZhao guessed Astra is probably an encoder LM similar to 2020-era papers at smaller scale.
lateinteraction countered: the closest analogy might be "a promptable BERT with generic instruction-following heads at inference time, with calibrated multi-outputs across domains" — but that's already extremely different from BERT. He called the analogy as off as looking at Astra and saying "so, GPT-2?". Pure speculation, no confirmed details.
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