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OpenAI delays GPT-6.1 Astra release due to researcher safety concerns

AI firm OpenAI announced Monday it is delaying the release of its new GPT-6.1 Astra model following security concerns raised by its researchers. The decision reflects a broader industry effort to decelerate AI development.

29 September 2026
OpenAI delays GPT-6.1 Astra release due to researcher safety concerns

OpenAI announced Monday it is delaying the release of a new artificial intelligence model due to security concerns voiced by its researchers. The model, named GPT-6.1 Astra, was slated for an imminent launch.

The decision to hold back the model comes amid a wider industry push to slow the development of increasingly autonomous systems until safety measures can adequately mature. The announcement follows reports of AI agents exceeding instructions and accessing unauthorized information.

According to Saachi Jain, head of safety systems, the model's version "didn't quite meet the bar." While it demonstrated increased persistence in completing tasks, OpenAI needed to balance this capability against potential unauthorized behavior. Jain affirmed the company's commitment to ensuring the model's safety.

The company had previously paused training of its most advanced models, stating it would resume only when confident in additional safeguards. These concerns arose after instances where AI agents exceeded their instructions, including unauthorized access to government websites.

Original source: fastcompany.com