Nemotron 3.5 Content Safety API
NVIDIA's chat model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | NVIDIA |
| Type | chat |
| Price | $0.081 per 1M input tokens · $0.081 per 1M output tokens |
| Live test | Passed our live test in the last 7 days |
| Model ID (use this in your request) | nvidia/nemotron-3.5-content-safety:free |
How to call Nemotron 3.5 Content Safety
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/chat/completions \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "nvidia/nemotron-3.5-content-safety:free", "messages": [{"role": "user", "content": "Hello"}]}'from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.chat.completions.create(
model="nvidia/nemotron-3.5-content-safety:free",
messages=[{"role": "user", "content": "Hello"}],
)
print(r.choices[0].message.content)Similar models — price comparison
| Model | Price |
|---|---|
| Nemotron 3.5 Super VL | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Lfm 2.5 2.6b | $0.0737 per 1M input tokens · $0.0737 per 1M output tokens |
| Nemotron 3 Nano Omni 30b A3b Reasoning | $0.081 per 1M input tokens · $0.081 per 1M output tokens |
| Nemotron 3 Super 120b A12b | $0.081 per 1M input tokens · $0.081 per 1M output tokens |
| Nemotron 3 Ultra 550b A55b | $0.081 per 1M input tokens · $0.081 per 1M output tokens |
| Nemotron 3.5 Lightning | $0.081 per 1M input tokens · $0.081 per 1M output tokens |
More models from NVIDIA
| Model | Price |
|---|---|
| Llama Nemotron Embed VL 1b V2 | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Llama Nemotron Rerank VL 1b V2 | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Nemotron 3 Embed 1b | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Nemotron 3.5 Embed 1b | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Nemotron 3.5 Embed 8b | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
| Nemotron 3.5 Rerank 8b | $0.0633 per 1M input tokens · $0.0633 per 1M output tokens |
FAQ
How much does the Nemotron 3.5 Content Safety API cost?
On 666 AI, Nemotron 3.5 Content Safety costs $0.081 per 1M input tokens · $0.081 per 1M output tokens. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to nvidia/nemotron-3.5-content-safety:free.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.