GPT-6 Astra Reportedly Adopts Loop Transformers Architecture

SemiAnalysis claims OpenAI's next model GPT-6 (codename Astra) will use Loop Transformers, gaining capability by repeatedly passing through the same layers instead of scaling parameters; the claim is unconfirmed.

2026-09-15 ~ 2026-09-15 · 2 related posts

• GPT-6 Astra reportedly uses loop transformers — more depth, not more parameters — zephyr_z9 · 2026-09-15
• SemiAnalysis claims GPT-6 'Astra' will use Loop Transformers architecture — 141_1337 · 2026-09-15