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gpt-oss-safeguard
Open safety reasoning models with custom safety policies
119 votes·1 comment·Oct 30, 2025
About
gpt-oss-safeguard is a new family of open-source safety models (120b & 20b) from OpenAI. They use reasoning to classify content based on a custom, developer-provided policy at inference time, providing an explainable chain-of-thought for each decision.