LLM Perks

gpt-oss-safeguard-20b

OpenAI · All GPT models
Free right now Mid-size Moderation
Open weights

gpt-oss-safeguard-20b is a moderation model with 21B parameters from OpenAI. It is currently free at 1 provider with up to 131K tokens of context. Its weights are open, so it can also run locally.

Developer
OpenAI
Parameters
21B / 3.6B active
Context
131K tokens
Type
Moderation
License
Open weights

Where to use gpt-oss-safeguard-20b for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
UnoRouter
gpt-oss-safeguard-20b:free
131K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-oss-safeguard-20b:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

Similar free models

FAQ

Is gpt-oss-safeguard-20b free?

Yes. As of October 24, 2026, gpt-oss-safeguard-20b is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of gpt-oss-safeguard-20b?

The largest context among free routes is 131,072 tokens. Some providers cap it lower.

How do I call gpt-oss-safeguard-20b via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID gpt-oss-safeguard-20b:free, and a UnoRouter key.

Is gpt-oss-safeguard-20b open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.