Version comparison

OpenAI GPT-5.5 System Card

OpenAI · August 27, 2026 00:10 UTC vs September 2, 2026 00:06 UTC
Old version
August 27, 2026 00:10 UTC
aea24a94e2674486027db92ffe7e260ded93844b0f021f0365577cf396b34c32
CA-V-006104
New version
September 2, 2026 00:06 UTC
4021f6a83ba9c2e0273590df94adfc22fa468cc2d268a91695153e59e3ba14c9
CA-V-006286
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Change Summary
OpenAI's GPT-5.5 System Card was updated in an update detected on September 2, 2026. The updated document removed two older blog post links (one about pacing model development from August 18, 2026, and one about securing cyber-critical capabilities from an unspecified date) and added a new link titled 'Path to Astra: critical capabilities and frontier safeguards' dated September 1, 2026. The change reflects the document's table of contents and does not alter the substantive safety disclosures or risk assessments within the system card itself.
low severity
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0 Sentences removed
2 Sentences modified
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8This 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 Your browser does not support the video tag.8This 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 Path to Astra: critical capabilities and frontier safeguards Safety Sep 1, 2026 Your browser does not support the video tag.
9The 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, 20269The 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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