gpt-oss-safeguard-20b

moderationapache-2.022B

`gpt-oss-safeguard-120b` and `gpt-oss-safeguard-20b` are safety reasoning models built-upon gpt-oss. With these models, you can classify text content based on safety policies that you provide and perform a suite of foundational safety tasks. These models are intended for safety use cases. For other applications, we recommend using gpt-oss models.

Context
131K

Capabilities

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming
Fine-tuning

Details

Creator OpenAI
Familygpt-oss
Licenseapache-2.0
Status—
Typemoderation
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters22B
Architecturemoe
Context window131K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Family Comparison: gpt-oss

ModelContextMax out
gpt-oss-120b131K131K
gpt-oss-20b131K131K
gpt-oss-safeguard-20b131K—

API

GET/v1/models/huggingface/openai/gpt-oss-safeguard-20b

gpt-oss-safeguard-20b

`gpt-oss-safeguard-120b` and `gpt-oss-safeguard-20b` are safety reasoning models built-upon gpt-oss. With these models, you can classify text content based on safety policies that you provide and perform a suite of foundational safety tasks. These models are intended for safety use cases. For other applications, we recommend using gpt-oss models.

Changes · 7 entries
openai/gpt-oss-safeguard-20bupdateca7a400Nov 2, 2026, 03:02 AM
parameters20→22
openai/gpt-oss-safeguard-20bupdatebbc8212May 29, 2026, 12:04 AM
parameters20→22
openai/gpt-oss-safeguard-20bupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesfine tuningyes
openai/gpt-oss-safeguard-20bupdateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
openai/gpt-oss-safeguard-20bupdate2b100acMar 23, 2026, 05:30 AM
capabilitiestool callyes
parameters20
page_urlhttps://huggingface.co/openai/gpt-oss-safeguard-20b
description`gpt-oss-safeguard-120b` and `gpt-oss-safeguard-20b` are ...
release_date2025-09-18
context_window131072
licenseapache-2.0
tagline`gpt-oss-safeguard-120b` and `gpt-oss-safeguard-20b` are ...
architecturemoe
open_weightyes
tools["function_calling"]
openai/gpt-oss-safeguard-20bupdateb50649fMar 21, 2026, 11:58 PM
model_typemoderation
openai/gpt-oss-safeguard-20bcreate7f5c66fMar 21, 2026, 05:16 AM