OpenAI

Model Spec

Preparedness Framework

Practices for Governing Agentic AI

o1 System Card

o3 System Card

o3-mini System Card

Operator System Card

GPT-5.1 System Card

GPT-Rosalind-5.5 System Card

GPT-5.5 System Card

GPT-Live System Card

GPT-4 System Card

GPT-4o System Card

GPT-5.4 Thinking System Card

GPT-5 System Card

GPT-4.5 System Card

GPT-5.5 Instant System Card

GPT-5.6 Preview System Card

GPT-5.6 System Card

GPT-5.2 System Card

GPT-5.3 Codex System Card

Mental Health Safety Update