NVIDIA: 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...

Modalities

In / out price

Free / Free per 1M

Context

128K

Released

Jun 4, 2026

Why use Nemotron 3.5 Content Safety (free)

Understands images
Step-by-step reasoning mode

Pricing

Input	Free / 1M tokens
Output	Free / 1M tokens

List prices via OpenRouter, checked daily. Real cost depends on the provider and on reasoning tokens.

Cost calculator

Pick a task, set how often you run it, and compare what it costs on each model.

TaskInput tokens≈ 602 wordsOutput tokens≈ 1,504 wordsRuns per month

Input served from cache: 0%Repeated prompts (same instructions or document) are billed at the cheaper cache-read price where the model supports it.

Model	Per run	Per month	Per 1,000 runs
NVIDIA: Nemotron 3.5 Content Safety (free)	$0	$0	$0

Estimates from list prices via OpenRouter; real bills vary by provider and reasoning tokens.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

Novel (90,000 words)

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

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