Instructions to use FirstPrinciplesLabs/quark with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use FirstPrinciplesLabs/quark with Transformers:

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

pipe = pipeline("image-text-to-text", model="FirstPrinciplesLabs/quark")
messages = [
    {
        "role": "user",
        "content": [
            {"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
            {"type": "text", "text": "What animal is on the candy?"}
        ]
    },
]
pipe(text=messages)

# pip install -U transformers accelerate
# Load model directly
from transformers import AutoProcessor, AutoModelForMultimodalLM

processor = AutoProcessor.from_pretrained("FirstPrinciplesLabs/quark")
model = AutoModelForMultimodalLM.from_pretrained("FirstPrinciplesLabs/quark", device_map="auto")
messages = [
    {
        "role": "user",
        "content": [
            {"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
            {"type": "text", "text": "What animal is on the candy?"}
        ]
    },
]
inputs = processor.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=256)
print(processor.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Notebooks
Google Colab
Kaggle
Local Apps Settings

vLLM

How to use FirstPrinciplesLabs/quark with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "FirstPrinciplesLabs/quark"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "FirstPrinciplesLabs/quark",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

Use Docker

docker model run hf.co/FirstPrinciplesLabs/quark

SGLang

How to use FirstPrinciplesLabs/quark 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 "FirstPrinciplesLabs/quark" \
    --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": "FirstPrinciplesLabs/quark",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

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 "FirstPrinciplesLabs/quark" \
        --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": "FirstPrinciplesLabs/quark",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

Docker Model Runner
How to use FirstPrinciplesLabs/quark with Docker Model Runner:
```
docker model run hf.co/FirstPrinciplesLabs/quark
```

Farquhar13 commited on 1 day ago

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@@ -25,25 +25,21 @@ our curated physics, maths and coding mix.
 It outperforms the base model on a range of benchmarks, and reaches
 graduate-level science scores comparable to much larger open models. We also quantized the model weights to 8 bits (Q8_0) for llama.cpp; this
-[Q8_0 version](#q8_0-version) matches bf16 on every benchmark below.
 Quark is the first in a series of small, powerful scientific reasoning models. You can run it locally (see [Usage](#usage)) or on [Theo Platform](https://firstprinciples.com/sign-up), a research platform for complex problems, where you can use it alongside other frontier models, check its results with Python, Mathematica and Sage, and keep each session as a research graph you can revise one step at a time.
 ## Intended use
-Quark is built for researchers working on hard, single-turn problems in physics, science and maths, where the
 reasoning matters as much as the answer:
-- **Working through problems:** derivations, estimates and calculations, step by step.
-- **Checking your work:** a second opinion on a derivation or result. For results that matter, verify the answer
-  independently; on [Theo Platform](https://firstprinciples.com/sign-up) you can check Quark's work with Python,
-  Mathematica and Sage in the same session.
 - **Private and offline research:** the Q8_0 version runs on a 16 GB Mac, so unpublished work and sensitive data
   stay on your machine.
-- **Research on small reasoning models:** an Apache 2.0 base for fine-tuning, distillation and evaluation.
-It also works well for teaching, with step-by-step solutions to graduate-level problems. It is less suited to chat,
-tool-using agents, image inputs or tasks that need short, fast answers (see [Limitations](#limitations)).
 ## Results
@@ -85,10 +81,10 @@ All were measured by us with the same setup.
 ### HLE accuracy against model size
-![HLE accuracy against total parameters, with the Pareto front](https://huggingface.co/FirstPrinciplesLabs/quark/resolve/main/assets/hle_pareto.png)
-HLE (text-only) accuracy against total parameters, log scale. Quark is on the Pareto front: no model of its size or
-smaller scores higher. The next model up the front, Qwen3.8 27B, is nearly three times its size.
 ![HLE accuracy of 7–10.5B models](https://huggingface.co/FirstPrinciplesLabs/quark/resolve/main/assets/hle_7_10b.png)

 It outperforms the base model on a range of benchmarks, and reaches
 graduate-level science scores comparable to much larger open models. We also quantized the model weights to 8 bits (Q8_0) for llama.cpp; this
+[Q8_0 version](#q8_0-version) matches bf16 on every benchmark below. On HLE (text-only) Quark is on the Pareto frontier of performance vs. model size:
+no model of its size or smaller scores higher.
 Quark is the first in a series of small, powerful scientific reasoning models. You can run it locally (see [Usage](#usage)) or on [Theo Platform](https://firstprinciples.com/sign-up), a research platform for complex problems, where you can use it alongside other frontier models, check its results with Python, Mathematica and Sage, and keep each session as a research graph you can revise one step at a time.
 ## Intended use
+Quark is built for researchers working on hard problems in physics, science and maths, where the
 reasoning matters as much as the answer:
+- **Solve your problems:** derivations, estimates, calculations, with step by step reasoning.
+- **Check your work:** a second opinion on a derivation or result. For results that matter, verify the answer
+  independently with TheoVerify on [Theo Platform](https://firstprinciples.com/sign-up).
 - **Private and offline research:** the Q8_0 version runs on a 16 GB Mac, so unpublished work and sensitive data
   stay on your machine.
 ## Results
 ### HLE accuracy against model size
+![HLE accuracy against total parameters, with the Pareto frontier](https://huggingface.co/FirstPrinciplesLabs/quark/resolve/main/assets/hle_pareto.png)
+HLE (text-only) accuracy against total parameters, log scale. **Quark is on the Pareto frontier: no model of its size or
+smaller scores higher.** The next model up the frontier, Qwen3.8 27B, is roughly three times its size.
 ![HLE accuracy of 7–10.5B models](https://huggingface.co/FirstPrinciplesLabs/quark/resolve/main/assets/hle_7_10b.png)