OpenAI postponed the October release of GPT-6.1 Astra due to safety concerns
OpenAI postponed the October release of its GPT-6.1 Astra model after it failed to meet internal safety standards, according to reports from Reuters and WIRED on September 28–30, 2026. The company acknowledged the delay but did not confirm a permanent cancellation of the model’s development. On September 29, OpenAI released a separate model, GPT-6.1 Sol, indicating that work on the GPT-6.1…
Key points
- OpenAI postponed the October release of GPT-6.1 Astra due to unmet internal safety standards
- GPT-6.1 Sol was released on September 29, 2026, indicating ongoing work in the GPT-6.1 series
- OpenAI paused training and evaluation involving tool use for its most capable models, pending additional safety measures
Model pages: GPT-6.1 Astra → · GPT-6.1 Sol →
The story so far
8 episodes →- OpenAI postponed the October release of GPT-6.1 Astra due to safety concernsthis story
Is GPT-6.1 Development Cancelled? Challenges of 'Autonomous AI' Revealed by Delay of Astra Release
note.com · 2 October 2026
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