EssentialAI: Rnj 1 Instruct API

Access EssentialAI: Rnj 1 Instruct from Essential AI using Puter.js AI API.

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Model Card

Rnj-1 Instruct is an 8B parameter open-weight model by Essential AI, optimized for code and STEM tasks with state-of-the-art agentic coding capabilities. It excels at code generation, tool use, and mathematical problem-solving across multiple difficulty levels. The model is particularly strong on SWE-bench and supports 32K context length.

Context Window N/A

tokens

Max Output N/A

tokens

Input Cost $0.15

per million tokens

Output Cost $0.15

per million tokens

Release Date Apr 7, 2025

 

API Usage Example

Add EssentialAI: Rnj 1 Instruct 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", {
    model: "essentialai/rnj-1-instruct"
}).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", {
            model: "essentialai/rnj-1-instruct"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

Frequently Asked Questions

What is this EssentialAI: Rnj 1 Instruct API about?

The EssentialAI: Rnj 1 Instruct API gives you access to Essential AI's chat model through Puter.js. With just a few lines of JavaScript, you can integrate EssentialAI: Rnj 1 Instruct into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created EssentialAI: Rnj 1 Instruct?

EssentialAI: Rnj 1 Instruct was created by Essential AI and released on Apr 7, 2025.

How much does it cost?
The EssentialAI: Rnj 1 Instruct API is available through the User-Pays Model. As a developer, you can add the EssentialAI: Rnj 1 Instruct API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$0.15
Output$0.15
How do I access the EssentialAI: Rnj 1 Instruct API?

You can access the EssentialAI: Rnj 1 Instruct 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 EssentialAI: Rnj 1 Instruct API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the EssentialAI: Rnj 1 Instruct 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.

Get started with Puter.js

Add EssentialAI: Rnj 1 Instruct to your app without worrying about API keys or setup.

Read the Docs View Tutorials