Vishva007/NuExtract3-W4A16-AutoRound-GPTQ
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NuExtract3 (W4A16 Quantized via AutoRound)
W4A16 (4-bit integer weights, 16-bit activations) quantized builds of numind/NuExtract3 created using Intel's AutoRound algorithm.
⚡ Quantization Details
- Algorithm: Intel AutoRound (v0.14.2)
- Precision / Scheme: W4A16 (Group Size: 32, Symmetric:
True) - Calibration: 512 samples, sequence length 4096, 1000 tuning iterations
- Vision Tower (`quant_nontext_module`): Kept in BF16 to preserve visual document parsing and OCR accuracy
- Special Modules: Multi-Token Prediction (
mtp,mtp.fc) kept in native bfloat16
📦 Available Repositories
- AutoRound: `Vishva007/NuExtract3-W4A16-AutoRound`
- AutoGPTQ: `Vishva007/NuExtract3-W4A16-AutoRound-GPTQ`
- LLM-Compressor (vLLM native): `Vishva007/NuExtract3-W4A16-AutoRound-LLM-Compressor`
🚀 vLLM Serving & Inference
1. Launch Server
vllm serve Vishva007/NuExtract3-W4A16-AutoRound-GPTQ \
--trust-remote-code \
--limit-mm-per-prompt '{"image": 10, "video": 0}' \
--chat-template-content-format openai \
--generation-config vllm \
--max-model-len 16384 \
--dtype bfloat16 \
--gpu-memory-utilization 0.90
2. Structured Extraction & OCR (Python Client)
import base64
import json
from openai import OpenAI
client = OpenAI(api_key="EMPTY", base_url="http://localhost:8000/v1")
def encode_image(image_path):
with open(image_path, "rb") as f:
return base64.b64encode(f.read()).decode("utf-8")
data_url = f"data:image/png;base64,{encode_image('document.png')}"
# Structured JSON Extraction
template = {
"invoice_number": "verbatim-string",
"date": "date-time",
"total": "number",
"line_items": [{"description": "verbatim-string", "amount": "number"}]
}
response = client.chat.completions.create(
model="Vishva007/NuExtract3-W4A16-AutoRound-GPTQ",
temperature=0.2,
messages=[
{"role": "user", "content": [{"type": "image_url", "image_url": {"url": data_url}}]}
],
extra_body={
"chat_template_kwargs": {
"enable_thinking": False
}
}
)
print(response.choices[0].message.content)
For Markdown OCR: Replacetemplateinchat_template_kwargswith"mode": "markdown".
📊 VRAM Benefits
- Base Model (BF16): ~9–11 GB VRAM
- Quantized (W4A16 G32): ~2.8–3.5 GB VRAM (runs comfortably on 4GB/6GB consumer GPUs)
🚀 Deploy on RunPod
One-click launch environments pre-configured with PyTorch, CUDA, and dependencies for fine-tuning or quantization.
🎁 Need GPU compute? Sign up via RunPod and get $5–$500 in free credits when you add your first $10.
PyTorch 2.14
PyTorch 2.13
PyTorch 2.12
📚 Acknowledgments
- Base Model: NuMind
- Quantization Engine: Intel AutoRound
