6 September 2026
OpenAI's new GPT-6 Astra model reasons with less visible step-by-step text
First reported
Fast Company and TechCrunch ran this on , a day before the other 4 sources picked it up.
- OpenAI's new flagship model, GPT-6 Astra, does more of its thinking internally instead of writing out its reasoning steps.
- Its own system card, the safety document released with the model, acknowledges that this makes its reasoning harder for people to monitor.
