Instructions to use EssentialAI/rnj-1-instruct with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use EssentialAI/rnj-1-instruct with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="EssentialAI/rnj-1-instruct")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("EssentialAI/rnj-1-instruct")
model = AutoModelForCausalLM.from_pretrained("EssentialAI/rnj-1-instruct")
messages = [
    {"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
	messages,
	add_generation_prompt=True,
	tokenize=True,
	return_dict=True,
	return_tensors="pt",
).to(model.device)

outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Inference
HuggingChat
Notebooks
Google Colab
Kaggle
Local Apps

vLLM

How to use EssentialAI/rnj-1-instruct with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "EssentialAI/rnj-1-instruct"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "EssentialAI/rnj-1-instruct",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/EssentialAI/rnj-1-instruct

SGLang

How to use EssentialAI/rnj-1-instruct with SGLang:

Install from pip and serve model

# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "EssentialAI/rnj-1-instruct" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "EssentialAI/rnj-1-instruct",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker images

docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "EssentialAI/rnj-1-instruct" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "EssentialAI/rnj-1-instruct",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use EssentialAI/rnj-1-instruct with Docker Model Runner:
```
docker model run hf.co/EssentialAI/rnj-1-instruct
```

Research-EAI commited on Dec 8, 2025

Commit

d00eff5

verified ·

1 Parent(s): 4293675

Add OpenRouter link

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@@ -13,18 +13,21 @@ library_name: transformers
   <!-- Website -->
   <a href="https://essential.ai">
     <img alt="Homepage"
       src="https://img.shields.io/badge/%F0%9F%8C%90%20Website-essential.ai-4b9fe1?color=4b9fe1&logoColor=white"/>
   </a>
   <!-- Blog / Research -->
   <a href="https://www.essential.ai/research/rnj-1">
     <img alt="Research Blog"
       src="https://img.shields.io/badge/🧠%20Research-rnj--1-7c5cff?color=7c5cff&logoColor=white"/>
   </a>
   <!-- HuggingFace -->
   <a href="https://huggingface.co/collections/EssentialAI/rnj-1">
     <img alt="Hugging Face"
       src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-rnj--1-ffc107?color=ffc107&logoColor=white"/>
   </a>
@@ -33,21 +36,31 @@ library_name: transformers
   <!-- Discord -->
   <a href="https://discord.gg/VPEqUNg6tR">
     <img alt="Discord"
       src="https://img.shields.io/badge/Discord-Essential%20AI-7289da?logo=discord&logoColor=white&color=7289da"/>
   </a>
   <!-- X / Twitter -->
   <a href="https://x.com/essential_ai">
     <img alt="Twitter Follow"
       src="https://img.shields.io/badge/Twitter-essential__ai-white?logo=x&logoColor=white"/>
   </a>
   <!-- Together AI -->
   <a href="https://www.together.ai/models/rnj-1-instruct">
     <img alt="Together AI"
       src="https://img.shields.io/badge/⚡%20TogetherAI-rnj--1--instruct-00c2a8?color=00c2a8&logoColor=white"/>
   </a>
   <br>
 </div>

   <!-- Website -->
   <a href="https://essential.ai">
     <img alt="Homepage"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/%F0%9F%8C%90%20Website-essential.ai-4b9fe1?color=4b9fe1&logoColor=white"/>
   </a>
   <!-- Blog / Research -->
   <a href="https://www.essential.ai/research/rnj-1">
     <img alt="Research Blog"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/🧠%20Research-rnj--1-7c5cff?color=7c5cff&logoColor=white"/>
   </a>
   <!-- HuggingFace -->
   <a href="https://huggingface.co/collections/EssentialAI/rnj-1">
     <img alt="Hugging Face"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-rnj--1-ffc107?color=ffc107&logoColor=white"/>
   </a>
   <!-- Discord -->
   <a href="https://discord.gg/VPEqUNg6tR">
     <img alt="Discord"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/Discord-Essential%20AI-7289da?logo=discord&logoColor=white&color=7289da"/>
   </a>
   <!-- X / Twitter -->
   <a href="https://x.com/essential_ai">
     <img alt="Twitter Follow"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/Twitter-essential__ai-white?logo=x&logoColor=white"/>
   </a>
   <!-- Together AI -->
   <a href="https://www.together.ai/models/rnj-1-instruct">
     <img alt="Together AI"
+      style="vertical-align: middle;"
       src="https://img.shields.io/badge/⚡%20TogetherAI-rnj--1--instruct-00c2a8?color=00c2a8&logoColor=white"/>
   </a>
+  <!-- OpenRouter -->
+  <a href="https://openrouter.ai/essentialai/rnj-1-instruct">
+    <img alt="OpenRouter"
+      style="vertical-align: middle;"
+      src="https://img.shields.io/badge/%E2%AC%85%20OpenRouter-rnj--1--instruct-1a4b82?logo=openrouter&color=1a4b82&logoColor=white"/>
+  </a>
   <br>
 </div>