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OpenAI: gpt-oss-safeguard-20b

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...

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Specification
Model ID
openai/gpt-oss-safeguard-20b
Modality
Text >text
Context
131.1K tokens
Input
$0.075/1M
Output
$0.300/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • No vision support listed
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

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