by Nvidia

NVIDIA: Nemotron 3.5 Content Safety.

multimodal open weights 131K ctx
Cheapest input
$0.2/M
on OpenRouter
Cheapest output
$0.2/M
on OpenRouter
Hosted equiv.
~$0.07/hr
@ 100 tok/s on OpenRouter

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...

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.2 $0.2 Launch ↗
Sources

Official references.

FAQ

Frequently asked.

How do I run NVIDIA: Nemotron 3.5 Content Safety?
NVIDIA: Nemotron 3.5 Content Safety is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access NVIDIA: Nemotron 3.5 Content Safety?
NVIDIA: Nemotron 3.5 Content Safety is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run NVIDIA: Nemotron 3.5 Content Safety?
API pricing starts at $0.2/M input tokens and $0.2/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is NVIDIA: Nemotron 3.5 Content Safety open-source or proprietary?
NVIDIA: Nemotron 3.5 Content Safety is open-weight under the license. You can download and self-host it.