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OpenAI Astra

Appears in 3 articles·Latest Sep 8, 2026
A single processing block with a continuous track looping back into itself stands in front of a tall, transparent stack of multiple layers, illustrating a looped transformer.

What Are Looped Transformers in AI?

Looped transformers reuse the same layers repeatedly to reason in hidden math, not words. Here's how they work, why OpenAI's Astra uses them, and the safety tradeoff.

looped transformersrecurrent depthOpenAI Astra