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EssentialAI: Rnj 1 Instruct

essentialai-rnj-1-instructessentialaiClosed Source Model$0.150000 / call

EssentialAI: Rnj 1 Instruct

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About EssentialAI: Rnj 1 Instruct

Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. The model demonstrates strong performance...

Technical Specifications

Model ID
essentialai-rnj-1-instruct
Category
LLM Models
Task
Text Generation
Price
$0.150000 per million tokens
Added
February 20, 2026

Key Features

  • Chat completion and multi-turn conversation API
  • Streaming response with token-by-token output
  • Function calling and tool use support
  • System prompts and role-based messaging
  • JSON mode and structured output

Quick Start

Integrate EssentialAI: Rnj 1 Instruct into your application with a single API call. Get your API key from the pricing page to get started.

import requests
import json


url = "https://modelslab.com/api/v7/llm/chat/completions"


headers = {
    "Content-Type": "application/json"
}


data = {
        "model_id": "essentialai-rnj-1-instruct",
        "messages": [
            {
                "role": "user",
                "content": "Hello!"
            }
        ],
        "max_tokens": 1000,
        "key": "YOUR_API_KEY"
    }


try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")

View the full API documentation for SDKs, code examples in Python, JavaScript, and more.

Pricing

EssentialAI: Rnj 1 Instruct API costs $0.150000 per million tokens. Pay only for what you use with no minimum commitments. View pricing plans

Use Cases

  • AI chatbots and virtual assistants
  • Code generation and developer tools
  • Content writing and copywriting automation
  • Data analysis, summarization, and extraction
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EssentialAI: Rnj 1 Instruct FAQ

Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. The model demonstrates strong performance...

You can integrate EssentialAI: Rnj 1 Instruct into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "essentialai-rnj-1-instruct" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

EssentialAI: Rnj 1 Instruct costs $0.150000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.

The model ID for EssentialAI: Rnj 1 Instruct is "essentialai-rnj-1-instruct". Use this ID in your API requests to specify this model.

Yes, ModelsLab offers a free tier that lets you try EssentialAI: Rnj 1 Instruct and other AI models. Sign up to get free API credits and start building immediately.