OpenAI's new Astra model has private thoughts

This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.

Existing frontier AI models use “chain of thought” reasoning: They write ideas down, in English, in a “scratchpad” to keep track. CoT boosts “interpretability”.

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2026-09-04 10:31 · Semafor Technology
OpenAI's new Astra model has private thoughts

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