Released Oct 29, 2025131,072 context$0.075/M input tokens$0.30/M output tokens
gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust & safety labeling.
Learn more about this model in OpenAI's gpt-oss-safeguard user guide.