Nemotron 3.5 Content Safety (free)
Summary
Nemotron 3.5 Content Safety (free) is an open-weight language model from NVIDIA, released on 4 Jun 2026. It accepts text and images and generates text, with a 128K-token context window and up to 8K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.20 per million input tokens and $0.20 per million output tokens (OpenRouter), across 2 providers we track.
Safety model for policy screening, moderation, and risk-aware routing workflows
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | NVIDIA |
|---|---|
| Release date | 4 Jun 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | openmdw-license-agreement [Hugging Face] |
| Parameters | 4.3B [Hugging Face] |
| Context window | 128K (128,000 tokens) [models.dev] |
| Max output | 8K tokens [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | No [models.dev] |
| Structured output | No [models.dev] |
| Hugging Face | nvidia/Nemotron-3.5-Content-Safety [Hugging Face] |
Nemotron 3.5 Content Safety (free) API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| NVIDIA NIM nvidia/nemotron-3.5-content-safety | Free | Free | – | 128K | models.dev, 4 Oct 2026 |
| OpenRouter nvidia/nemotron-3.5-content-safety | $0.20 | $0.20 | – | 131K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Nemotron 3.5 Content Safety (free)?
Nemotron 3.5 Content Safety (free) has a context window of 128,000 tokens (128K) and can generate up to 8,192 tokens in a single response, according to models.dev.
How much does the Nemotron 3.5 Content Safety (free) API cost?
Nemotron 3.5 Content Safety (free) is listed from $0.20 per million input tokens and $0.20 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is Nemotron 3.5 Content Safety (free) open source?
Nemotron 3.5 Content Safety (free) is an open-weight model: its weights are published on Hugging Face as nvidia/Nemotron-3.5-Content-Safety under the openmdw-license-agreement license. Check the license terms before commercial use.
When was Nemotron 3.5 Content Safety (free) released?
NVIDIA released Nemotron 3.5 Content Safety (free) on 4 Jun 2026, according to models.dev.
Which providers offer Nemotron 3.5 Content Safety (free)?
We track Nemotron 3.5 Content Safety (free) on 2 providers: NVIDIA NIM, OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.
Sources
- https://openrouter.ai/nvidia/nemotron-3.5-content-safety
- https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/nvidia/nemotron-3.5-content-safety:free.toml
- https://huggingface.co/nvidia/Nemotron-3.5-Content-Safety
- https://github.com/sst/models.dev/blob/dev/providers/nvidia/models/nvidia/nemotron-3.5-content-safety.toml