Nemotron 3.5 Content Safety
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.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
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!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_OPENROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="nvidia/nemotron-3.5-content-safety:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "nvidia/nemotron-3.5-content-safety:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);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 We do not publish our own estimates.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.