GPT-5.5 System Card

OpenAI Blog · 2026-04-23

(No summary yet for this item — extraction summaries are still backfilling.)

Open original ↗

Appears in

AI as Attack Tool and Attack Target: May 2026 Cybersecurity Moment

Extraction

Topics: gpt-5.5ai-safety-evaluationmodel-deploymentred-teamingpreparedness-framework

Claims

GPT-5.5 is designed for complex real-world agentic tasks including coding, research, and document creation.
GPT-5.5 underwent targeted red-teaming for advanced cybersecurity and biology capabilities before deployment.
GPT-5.5 Pro uses the same underlying model as GPT-5.5 but employs parallel test-time compute.
OpenAI collected feedback from nearly 200 early-access partners before releasing the model.
OpenAI considers GPT-5.5's safety results strong proxies for GPT-5.5 Pro except where parallel compute materially changes risk.

Key quotes

GPT‑5.5 understands the task earlier, asks for less guidance, uses tools more effectively, checks its work and keeps going until it's done.

We are releasing GPT‑5.5 with our strongest set of safeguards to date, designed to reduce misuse while preserving legitimate, beneficial uses of advanced capabilities.