NVIDIA: Nemotron 3.5 Content Safety (free) Free API on OpenRouter

Free API Verified

Available from OpenRouter

Catalog metadata matched Reasoning models.dev metadata

Safety model for policy screening, moderation, and risk-aware routing workflows

Free APIOpenAI compatibleReasoningTextImageReasoning

Try in Playground Compare Save API Key

API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://openrouter.ai/api/v1

Model ID

nvidia/nemotron-3.5-content-safety:free

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

NVIDIA: Nemotron 3.5 Content Safety (free) specifications

Provider and model catalog

Context window 128K

Max output 8K

Status Online

Family nemotron

Released Jun 4, 2026

Last updated Aug 6, 2026

Free listing since Jun 4, 2026

Input text, image

Output text

Capabilities reasoning, file attachments, temperature control

Open weights Yes

AI Recommendation

Should you use NVIDIA: Nemotron 3.5 Content Safety (free)?

NVIDIA: Nemotron 3.5 Content Safety (free) is listed for chat, reasoning workloads and supports a 128K context window.

Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat
Reasoning

Strengths & Weaknesses

Strengths

Strong reasoning profile
Long context window
Reasoning mode listed
Open weights available

Watch outs

Free-tier rate limits apply
Tool calling is not confirmed

Pricing

NVIDIA: Nemotron 3.5 Content Safety (free) pricing per 1M tokens

Free tier listed

Input $0 per 1M tokens

Output $0 per 1M tokens

Free access Available OpenRouter

Rate limit 200 req/day (free tier) provider policy

Availability

NVIDIA: Nemotron 3.5 Content Safety (free) availability by provider

1 alternative

We found 2 provider listings for nemotron-3-5-content-safety. Check model ID, quota, pricing, and API format before switching providers.

Provider	Model listing	Access	Context	API	Limits
OpenRouter	NVIDIA: Nemotron 3.5 Content Safety (free)	Free tier	128K	OpenAI-style	200 req/day (free tier)
NVIDIA NIM	nvidia/nemotron-3.5-content-safety	Free tier	128K	OpenAI-style	Up to 40 RPM

View OpenRouter setup guide →

Compare

NVIDIA: Nemotron 3.5 Content Safety (free) alternatives to consider

Open comparison

Model	Provider	Context	Access
nvidia/nemotron-3.5-content-safety	NVIDIA NIM	128K	Free tier
Poolside: Laguna S 2.1 (free)	OpenRouter	262K	Free tier
Poolside: Laguna XS 2.1 (free)	OpenRouter	262K	Free tier
Cohere: North Mini Code (free)	OpenRouter	256K	Free tier
NVIDIA: Nemotron 3 Ultra (free)	OpenRouter	1.0M	Free tier

Typical Use Cases

NVIDIA: Nemotron 3.5 Content Safety (free) use cases

Chat

NVIDIA: Nemotron 3.5 Content Safety (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

Reasoning

NVIDIA: Nemotron 3.5 Content Safety (free) is tagged for reasoning in this catalog and works with OpenAI-compatible client libraries.

FAQ

NVIDIA: Nemotron 3.5 Content Safety (free) free API FAQ

Is NVIDIA: Nemotron 3.5 Content Safety (free) free to use?

NVIDIA: Nemotron 3.5 Content Safety (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.

What is the NVIDIA: Nemotron 3.5 Content Safety (free) model ID?

The model ID shown in this catalog is nvidia/nemotron-3.5-content-safety:free.

What are the NVIDIA: Nemotron 3.5 Content Safety (free) free tier rate limits on OpenRouter?

The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.

What context window does NVIDIA: Nemotron 3.5 Content Safety (free) support?

The listed context window is 128K tokens with up to 8K output tokens.

More about NVIDIA: Nemotron 3.5 Content Safety (free)