OpenAI's GPT-5.5 System Card was updated in an update detected on August 2, 2026. The change replaced one research publication link in the card's header with a different publication. Specifically, the link to 'Safety and alignment in an era of long-horizon models' (dated July 20, 2026) was removed and replaced with 'Ten advances in mathematics and theoretical computer science' (dated August 1, 2026). This is an editorial update to the featured research content displayed on the system card and does not modify the substantive safeguards documentation or deployment guidance for GPT-5.5.
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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 How enabling two settings tripled our scores on the ARC-AGI-3 benchmark Research Jul 29, 2026 Scientific computing in the age of agentic AI Publication Jul 28, 2026 Safety and alignment in an era of long-horizon models Safety Jul 20, 2026
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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 Ten advances in mathematics and theoretical computer science Publication Aug 1, 2026 How enabling two settings tripled our scores on the ARC-AGI-3 benchmark Research Jul 29, 2026 Scientific computing in the age of agentic AI Publication Jul 28, 2026
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