LLM Perks

Nemotron 3.5 Content Safety

Free right now Mid-size Moderation
Open weights

Nemotron 3.5 Content Safety is a moderation model from NVIDIA. It is currently free at 1 provider with up to 128K tokens of context. Its weights are open, so it can also run locally.

Developer
NVIDIA
Context
128K tokens
Type
Moderation
License
Open weights

Where to use Nemotron 3.5 Content Safety for free

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

ProviderContextLimitCard
OpenRouter
nvidia/nemotron-3.5-content-safety:free
128K Free tier No Open

Quick start

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nvidia/nemotron-3.5-content-safety:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for OpenRouter. 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 We do not publish our own estimates.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 Nemotron 3.5 Content Safety free?

Yes. As of October 31, 2026, Nemotron 3.5 Content Safety is free at OpenRouter. Each provider has its own limits — see the table above.

What is the context window of Nemotron 3.5 Content Safety?

The largest context among free routes is 128,000 tokens. Some providers cap it lower.

How do I call Nemotron 3.5 Content Safety via API?

Use any OpenAI-compatible client with base URL https://openrouter.ai/api/v1, model ID nvidia/nemotron-3.5-content-safety:free, and a OpenRouter key.

Is Nemotron 3.5 Content Safety open-weight?

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