Sebastian Raschka breaks down GPT-6 Astra rumors, looped transformers and hidden chains of thought
rhiever · reddit · 2026-09-10
Sebastian Raschka published a new essay covering three topics: the rumored GPT-6 Astra, the case for looped transformer architectures, and how hidden chains of thought work in reasoning models. He offers his own technical judgment on the rumors and architecture trade-offs in his usual practitioner style.
Related event: Raschka Breaks Down GPT-6 Astra and Looped Transformers(4 posts)→
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