How to use from
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 "Paranioar/NEO1_0-2B-PT" \
    --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": "Paranioar/NEO1_0-2B-PT",
		"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 "Paranioar/NEO1_0-2B-PT" \
        --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": "Paranioar/NEO1_0-2B-PT",
		"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"
						}
					}
				]
			}
		]
	}'
Quick Links

From Pixels to Words -- Towards Native Vision-Language Primitives at Scale

| Paper | Code |

🌟🌟 Motivation

Two lingering clouds cast shadows over its widespread exploration and promotion:

  • What fundamental constraints set native VLMs apart from modular ones, and to what extent can these barriers be overcome?

  • How to make research in native VLMs more accessible and democratized, thereby accelerating progress in the field.

We construct native VLMs built from first principles, where its primitive should:

  • effectively align pixel and word representations within a shared semantic space;

  • seamlessly integrate the strengths of separate vision and language modules;

  • inherently embody various cross-modal properties that support unified vision-language encoding, aligning, and reasoning.

πŸš€πŸš€ Highlight

  • With only 390M image-text examples, NEO develops strong visual perception from scratch inside a dense and monolithic model via elaborate primitives.

  • NEO serves as a cornerstone for scalable and powerful native VLMs, paired with reusable components that foster a cost-effective and extensible ecosystem.

πŸ§‘β€πŸŽ¨πŸ§‘β€πŸŽ¨ Model Overview

NEO1_0-2B has the following features:

  • Model Type: Native Vision-Language Models

  • Model Mode: Mixed Native-Attn & Native-RoPE

  • Layer Parameters: 56M vs. 50M (Qwen3-1.7B)

  • Model Parameters: 2.2B (Non-Embedding)

  • Number of Layers: 40 (12 for Pre-Buffer & 28 for Post-LLM)

  • Number of Heads: 16 for Q and 8 for KV (GQA)

  • Head Dimensions: 128 * 2 for QK and 128 for V

πŸ”₯πŸ”₯ Model Performance

πŸ“šπŸ“š Model Weights

We release the 2B weights of NEO1_0 in Pre-Training (PT), Mid-Training (MT), and Supervised Fine-Tuning (SFT).

βœ’οΈβœ’οΈ Citation

If NEO is helpful for your research, please consider star ⭐ and citation πŸ“ :

@article{Diao2025NEO,
  title        = {From Pixels to Words--Towards Native Vision-Language Primitives at Scale},
  author       = {Diao, Haiwen and Li, Mingxuan and Wu, Silei and Dai, Linjun and Wang, Xiaohua and Deng, Hanming and Lu, Lewei and Lin, Dahua and Liu, Ziwei},
  journal      = {arXiv preprint arXiv:2510.14979},
  year         = {2025}
}
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