Nemotron 3 120B
Nemotron 3 120B is a language model with 120B parameters from NVIDIA. It is currently free at 1 provider with up to 256K tokens of context. The model supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.
- Developer
- NVIDIA
- Parameters
- 120B / 12B active
- Context
- 256K tokens
- Type
- Text
- License
- Open weights
- Free since
- September 28, 2026
Where to use Nemotron 3 120B for free
Each row is a separate free endpoint with its own limits.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
 Cloudflare Workers AI @cf/nvidia/nemotron-3-120b-a12b |
256K | Workers Free: 10,000 Neurons/day shared across eligible models | — | Open |
Quick start
curl https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1/chat/completions \
-H "Authorization: Bearer $CLOUDFLARE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "@cf/nvidia/nemotron-3-120b-a12b",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1",
api_key="YOUR_CLOUDFLARE_API_KEY",
)
reply = client.chat.completions.create(
model="@cf/nvidia/nemotron-3-120b-a12b",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1",
apiKey: process.env.CLOUDFLARE_API_KEY,
});
const reply = await client.chat.completions.create({
model: "@cf/nvidia/nemotron-3-120b-a12b",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for Cloudflare Workers AI. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
Similar free models
FAQ
Is Nemotron 3 120B free?
Yes. As of September 28, 2026, Nemotron 3 120B is free at Cloudflare Workers AI. Each provider has its own limits — see the table above.
What is the context window of Nemotron 3 120B?
The largest context among free routes is 256,000 tokens. Some providers cap it lower.
How do I call Nemotron 3 120B via API?
Use any OpenAI-compatible client with base URL https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1, model ID @cf/nvidia/nemotron-3-120b-a12b, and a Cloudflare Workers AI key.
Is Nemotron 3 120B open-weight?
Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.