NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API

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Llama 3.1 Nemotron Ultra 253B is a 253B parameter reasoning model derived from Llama 3.1 405B using Neural Architecture Search for improved efficiency, supporting 128K context and toggle ON/OFF reasoning modes. It excels at complex math, scientific reasoning, coding, RAG, and tool calling tasks while fitting on a single 8xH100 node.

Context Window N/A

tokens

Max Output N/A

tokens

Input Cost $0.6

per million tokens

Output Cost $1.8

per million tokens

Release Date Apr 7, 2025

 

API Usage Example

Add AI to your app with just a few lines of code.
No API keys, no backend, no configuration required.

// npm install @heyputer/puter.js
import { puter } from '@heyputer/puter.js';

puter.ai.chat("Explain quantum computing in simple terms").then(response => {
    document.body.innerHTML = response.message.content;
});

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.chat("Explain quantum computing in simple terms").then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

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Frequently Asked Questions

What is this NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API about?

The NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API gives you access to NVIDIA's chat model through Puter.js. With just a few lines of JavaScript, you can integrate NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created NVIDIA: Llama 3.1 Nemotron Ultra 253B v1?

NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 was created by NVIDIA and released on Apr 7, 2025.

How much does it cost?
The NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API is available through the User-Pays Model. As a developer, you can add the NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$0.6
Output$1.8
How do I access the NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API?

You can access the NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API with just a few lines of JavaScript — no API keys, no backend, and no configuration required. Include the Puter.js library in your project and start making calls right away. For more details, check out our documentation.

Does the NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 API works with any JavaScript framework, Node.js, or plain HTML through Puter.js. Just include the library and start building. See the documentation for more details.

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