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OpenKey

Nemotron 3 Nano 30B A3B (free)

NVIDIAReleased Dec 14, 2025Free

NVIDIA Nemotron 3 Nano 30B A3B is a small language MoE model with highest compute efficiency and accuracy for developers to build specialized agentic AI systems. The model is fully...

Try in playground
Context window
256K tokens
Input
text
Output
text
Tokenizer
Other
Released
Dec 14, 2025
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
InputFreeFree
OutputFreeFree

Benchmarks

Artificial Analysis

Intelligence index
14.2
Coding index
14.4
Agentic index
2

Supported parameters

  • include_reasoning
  • max_tokens
  • reasoning
  • seed
  • temperature
  • tool_choice
  • tools
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model nvidia/nemotron-3-nano-30b-a3b:free.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nvidia/nemotron-3-nano-30b-a3b:free",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="nvidia/nemotron-3-nano-30b-a3b:free",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "nvidia/nemotron-3-nano-30b-a3b:free",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Nemotron 3 Nano 30B A3B (free) cost via API?
Nemotron 3 Nano 30B A3B (free) is free through OpenKey while NVIDIA offers it at no charge. No fee applies to free models.
What is Nemotron 3 Nano 30B A3B (free)'s context window?
Nemotron 3 Nano 30B A3B (free) accepts up to 256K tokens of context.
Is Nemotron 3 Nano 30B A3B (free) OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "nvidia/nemotron-3-nano-30b-a3b:free" using any OpenAI SDK — only the base URL and API key change.
What inputs does Nemotron 3 Nano 30B A3B (free) support?
Nemotron 3 Nano 30B A3B (free) accepts text input and produces text output.

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