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NVIDIA

Nemotron 3.5 Content Safety

nvidia/nemotron-3.5-content-safety

NVIDIA Nemotron 3.5 Content Safety is a compact 4B-parameter multimodal guardrail model from NVIDIA, fine-tuned from Google Gemma-3-4B.

$0.22 in · $0.22 out per 1M tokens131k contextJun 4, 2026

about 0.02¢ a message

A typical message: about 500 tokens you send and 500 it writes.

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Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$0.22provider $0.20
Output, per 1M tokens
$0.22provider $0.20
Margin
+10%

Context and formats

Context window
131,072 tokens
Longest answer
117,964 tokens
Reads
text and images
Makes
text
First listed
2026-06-04

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
not declared
JSON output
not declared

Price and latency history as JSON: GET /api/planet/history?id=nvidia/nemotron-3.5-content-safety.

About

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...

In NVIDIA's words.

Try it here

The answer appears here.

Measured here

Call it

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

Everything else is in the docs.

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Nemotron 3.5 Content Safety price on Antimatter
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