Nemotron 3.5 Content Safety (free)

nvidia/nemotron-3.5-content-safety:free

NVIDIA Nemotron 3.5 Content Safety is a compact 4B-parameter multimodal guardrail model from NVIDIA, fine-tuned from Google Gemma-3-4B. It moderates both inputs to and responses from LLMs and VLMs, accepting...

Input

$0 / 1M tokens

Output

$0 / 1M tokens

Context

128K tokens

Capabilities

✓ Streaming○ Tool / function calling○ JSON / structured output✓ Vision (image input)

Call this model

Pass nvidia/nemotron-3.5-content-safety:free as the model. Change only the base URL from your existing OpenAI SDK setup.

quickstart.sh

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

Prices are final — the routing margin is already included. See the full pricing table or the API docs.