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OpenKey

Nemotron 3 Nano Omni (free)

NVIDIAReleased Apr 28, 2026Free

NVIDIA Nemotron™ 3 Nano Omni is a 30B-A3B open multimodal model designed to function as a perception and context sub-agent in enterprise agent systems. It accepts text, image, video, and...

Try in playground
Context window
256K tokens
Max output
66K tokens
Input
text, audio, image, video
Output
text
Tokenizer
Other
Released
Apr 28, 2026
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

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-omni-30b-a3b-reasoning: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-omni-30b-a3b-reasoning: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-omni-30b-a3b-reasoning: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-omni-30b-a3b-reasoning:free",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Nemotron 3 Nano Omni (free) cost via API?
Nemotron 3 Nano Omni (free) is free through OpenKey while NVIDIA offers it at no charge. No fee applies to free models.
What is Nemotron 3 Nano Omni (free)'s context window?
Nemotron 3 Nano Omni (free) accepts up to 256K tokens of context and returns up to 66K tokens per request.
Is Nemotron 3 Nano Omni (free) OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free" using any OpenAI SDK — only the base URL and API key change.
What inputs does Nemotron 3 Nano Omni (free) support?
Nemotron 3 Nano Omni (free) accepts text, audio, image, video input and produces text output.

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