Skip to content
AI Atlas
ModelActiveOpen weights

gpt-oss-safeguard-20b

OpenAIhuggingface.co/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...

Updated 18 min ago · first seen 11 Sept 2026

model_01M294WW9KM7CQ555DQNXZEDRK

Parameters
21.5B
T2 · 20 min ago
Context
131.1K tokens
T2 · 22 min ago
Released
29 Oct 2025
T2 · 22 min ago

Specification

Release date
29 Oct 2025

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Openness
open-weights

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium

Parameters
21.5B

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium

Context window
131.1K tokens

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Max output
65.5K tokens

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Modalities
text

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Input modalities
text

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Output modalities
text

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Tokenizer
GPT

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Hugging Face repo
openai/gpt-oss-safeguard-20b

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Pipeline tag
text-generation

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium

Downloads
63,577

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 18 min agomedium

Likes
257

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 18 min agomedium

Groq model id
openai/gpt-oss-safeguard-20b

Source:Groq — docs & pricingT1observed 22 min agohigh

Groq status
preview

Source:Groq — docs & pricingT1observed 22 min agohigh

Last modified
2026-01-14T18:38:05+00:00

Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium

Openrouter id
openai/gpt-oss-safeguard-20b

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Supported parameters
include_reasoning, max_tokens, reasoning, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p

Source:OpenRouter public model & pricing listingT2observed 22 min agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

23

Source tiers

T1T22 / 21

Freshest observation

18 min ago

Conflicts

None