Raschka's mega write-up explains GPT-6 Astra, looped transformers and recurrent depth
RichmanRonald · x · 2026-09-09
Sebastian Raschka published a detailed technical write-up on GPT-6 Astra and looped transformers.
- Explains how looped transformers / recurrent depth work
- Analyzes cost-tradeoffs of the approach
- Discusses whether it hides reasoning traces
- Includes many figures and a tour of recent looped transformer research
Related event: Raschka Breaks Down GPT-6 Astra and Looped Transformers(4 posts)→
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