Old version
August 27, 2026 00:09 UTC
8b6e7083a2035fe8c8bd064b91d6297526b6f0abbb63950a86d0f69af860d484
CA-V-006103
New version
September 2, 2026 00:05 UTC
e042a00937d0ac8883ce68f39371d51a27c0d1a362d4dd08850f28f813da490d
CA-V-006285
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Change Summary
OpenAI's GPT-5 System Card was updated in an update detected on September 2, 2026. Two sentences were modified: the precautionary approach statement on biological harm remained substantively unchanged, and a navigation link titled 'Path to Astra: critical capabilities and frontier safeguards' dated September 1, 2026 was added, while a link about 'Pacing model development in an era of cyber-critical capabilities' dated August 18, 2026 was removed. This represents a restructuring of the document's referenced safety resources rather than a change to the core safety assessment or methodology.
low severity
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12While we do not have definitive evidence that this model could meaningfully help a novice to create severe biological harm—our defined threshold ⁠ (opens in a new window) for High capability—we have chosen to take a precautionary approach. 2025 System Cards Author OpenAI Keep reading View all Your browser does not support the video tag.12While we do not have definitive evidence that this model could meaningfully help a novice to create severe biological harm—our defined threshold ⁠ (opens in a new window) for High capability—we have chosen to take a precautionary approach. 2025 System Cards Author OpenAI Keep reading View all Path to Astra: critical capabilities and frontier safeguards Safety Sep 1, 2026 Your browser does not support the video tag.
13The Hugging Face incident and the road ahead Security Aug 26, 2026 Offering Zero Data Retention for frontier models Company Aug 19, 2026 Pacing model development in an era of cyber-critical capabilities Company Aug 18, 202613The Hugging Face incident and the road ahead Security Aug 26, 2026 Offering Zero Data Retention for frontier models Company Aug 19, 2026
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