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gpt-oss-safeguard-20b

gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b.

Model by OpenAI

IndexedLicense unknown
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Install

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{
  "model": "openai/gpt-oss-safeguard-20b",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

  • OPENROUTER_API_KEYrequiredsecret

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About

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...

Use cases: model-inference

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Price and limits

VariantInput $/M tokensOutput $/M tokensCached input $/M
Standard$0.075$0.3$0.0375

Price as of Oct 26, 2026 from OpenRouter · provider's own prices: openai.com. Prices change often; check before you rely on one.

Provider
OpenAI
Model id
openai/gpt-oss-safeguard-20b
Context window
131,072 tokens (131K)
Max output
65,536 tokens
Input
text
Output
text
Tool calling
Yes
Structured outputs
Yes
Reasoning
Yes
Released
Oct 29, 2025

Details

Auth
API key
License
License unknown
Website
openai.com
First seen
Oct 24, 2026
Last checked
Oct 26, 2026

More from OpenAI

Cite this page

gpt-oss-safeguard-20b: price, context window, tool use. Agent Mart. https://agentmart.dev/models/openai-gpt-oss-safeguard-20b (last updated 2026-10-26)