OpenAI's GPT-5.5 System Card was updated on September 7, 2026, to modify the list of related safety and research content displayed on the card. A reference to 'The Hugging Face incident and the road ahead' from August 26, 2026 was removed from the navigation, and two new entries were added: 'An Alien Mind' from September 6, 2026 and 'Research acceleration: The view inside OpenAI Research' also from September 6, 2026. This change affects which safety-related documents and incident analyses are linked alongside the GPT-5.5 deployment guidance.
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This card was updated on April 24, 2026, to include additional information about safeguards for the deployment of GPT‑5.5 and GPT‑5.5 Pro in the API. 2026 System Cards Author OpenAI Keep reading View all Safety overview: GPT-6 Astra Safety Sep 3, 2026 Path to Astra: critical capabilities and frontier safeguards Safety Sep 1, 2026 Your browser does not support the video tag.
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This card was updated on April 24, 2026, to include additional information about safeguards for the deployment of GPT‑5.5 and GPT‑5.5 Pro in the API. 2026 System Cards Author OpenAI Keep reading View all An Alien Mind Safety Sep 6, 2026 Research acceleration: The view inside OpenAI Research Sep 6, 2026 Safety overview: GPT-6 Astra Safety Sep 3, 2026
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The Hugging Face incident and the road ahead Security Aug 26, 2026
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