Last refreshed 2026-10-15. Next refresh: weekly.
Why use Nemotron 3.5 Content Safety on OpenRouter?
OpenRouter offers Nemotron 3.5 Content Safety with pay-as-you-go pricing at $0.20/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: nvidia/nemotron-3.5-content-safetynvidia/nemotron-3.5-content-safetyRequest example
nvidia/nemotron-3.5-content-safety.Gotchas
- Use provider model ID "nvidia/nemotron-3.5-content-safety", not the LLMReference slug "nemotron-3.5-content-safety".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.20 |
| Output tokens | $0.20 |
Capabilities
About Nemotron 3.5 Content Safety
Nemotron 3.5 Content Safety is NVIDIA's 4B multimodal, multilingual content-safety moderator, fine-tuned from Google Gemma 3 4B IT. It labels user prompts (with an optional image) and model responses as safe or unsafe using the Aegis 2.0 taxonomy, and adds a custom-policy mode that can emit a short reasoning trace. It merges the Nemotron 3 Content Safety and Content Safety Reasoning 4B models, supports 12 languages and up to 128K context, and ships as open weights under OpenMDW 1.1 plus the Gemma Terms of Use.