GPT-5.5 System Card

OpenAI released GPT-5.5 for coding, research, analysis, and tool use, saying it needs less guidance and performs better on complex tasks.

The company also published a system card outlining extensive predeployment safety work, including evaluations, red-teaming, and partner feedback.

OpenAI added safeguards for GPT-5.5 and GPT-5.5 Pro, covering areas such as cybersecurity and biology before broader deployment.