Nemotron 3.5 Content Safety
by NVIDIAReleased Jun 4, 2026
nvidia/nemotron-3.5-content-safety- Reads images
- Reasons before it answers
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 / 1M tokens
- $0.24
- Output / 1M tokens
- $0.24
- Context
- 131K
- Longest answer
- 118K
What it costs
What each call is charged to the token's AI credit.
| Billed for | You pay |
|---|---|
| Input tokens | $0.24 / 1M |
| Output tokens | $0.24 / 1M |
A typical call
A short chat turn: 2,000 tokens in, 500 out.
- per call
- $0.0006
- calls per $20
- 33K
What it can do
From its listing. The router passes every field through.
- Reads imagesYes
- Reads files and PDFsNo
- Hears audioNo
- Calls toolsNo
- Answers in a JSON schemaNo
- Reasons before it answersYes
- Searches the webNo
- Caches long promptsNo
- Draws imagesNo
Call it
Any router key works, in the format your SDK already speaks.
import OpenAI from "openai";const ai = new OpenAI({ baseURL: "https://relayfor.si/api/v1", apiKey: process.env.RELAYFOR_ROUTER_KEY,});const reply = await ai.chat.completions.create({ model: "nvidia/nemotron-3.5-content-safety", messages: [{ role: "user", content: "Welcome the 1,000th holder in one line." }],});Specifications
What its maker and providers list for it.
- Reads
- Text and Images
- Writes
- Text
- Context
- 131,072 tokens
- Longest answer
- 117,964 tokens
- Released
- Jun 4, 2026
- Moderation
- None
Request fields
The fields its providers accept, passed through as you send them.
- frequency_penalty
- include_reasoning
- logit_bias
- max_tokens
- min_p
- presence_penalty
- reasoning
- repetition_penalty
- seed
- stop
- temperature
- top_k
- top_p
Questions
How much does Nemotron 3.5 Content Safety cost?
$0.24 per million input tokens and $0.24 per million output tokens, paid from the token's AI credit. A call of 2,000 tokens in and 500 out costs about $0.0006.
How do I call Nemotron 3.5 Content Safety?
Make a router key for one of your tokens on the dashboard, point any OpenAI or Anthropic SDK at https://relayfor.si/api/v1 and send the model id nvidia/nemotron-3.5-content-safety. The token's AI credit pays for each call.
How long a prompt can Nemotron 3.5 Content Safety take?
Up to 131,072 tokens of context, and up to 117,964 tokens in one answer.
Are my prompts stored?
No. The RFS Router passes each call through and keeps only its token counts and cost, for the token's usage page.
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