How to use from
vLLM
Install from pip and serve model
# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "jkim96/phi-4-DASHQ-INT3-g64"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "jkim96/phi-4-DASHQ-INT3-g64",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Use Docker
docker model run hf.co/jkim96/phi-4-DASHQ-INT3-g64
Quick Links

DASH-Q

phi-4-DASHQ-INT3-g64

DASH-Q — Diagonal-Aware Shrinkage for Robust PTQ. INT3 · group size 64 · 8.3607 GB (from 29.3190 GB — 3.5x smaller)

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained(
    "jkim96/phi-4-DASHQ-INT3-g64", trust_remote_code=True, device_map="cuda", dtype="auto"
)
tokenizer = AutoTokenizer.from_pretrained("jkim96/phi-4-DASHQ-INT3-g64")

messages = [{"role": "user", "content": "Explain 2-bit quantization in one sentence."}]
text = tokenizer.apply_chat_template(messages, add_generation_prompt=True, tokenize=False)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
print(tokenizer.decode(model.generate(**inputs, max_new_tokens=256)[0]))

trust_remote_code=True is required: the checkpoint ships its quantized-layer implementation (modeling_dashq.py) and Triton kernels (dashq_kernel.py). Without Triton, or on CPU, it falls back to dequantize-and-matmul in PyTorch.

Requirements

Package Minimum Verified with
torch 2.4 2.12.1+cu130
transformers 5.8 5.9.0
triton 3.0 (Linux; bundled with CUDA builds of PyTorch) 3.7.1
huggingface_hub 1.5 (pulled in by transformers) 1.15.0

Quantization

Field Value
Base model microsoft/phi-4
Precision INT3, group size 64
Scale / zero dtype float16
Calibration wikitext2, 128 samples x 2048
Size 8.3607 GB · original 29.3190 GB · 3.5x compression

Benchmarks

Full zero-shot / few-shot results for every DASH-Q checkpoint: github.com/JaeminK/dashq#benchmarks

Evaluation

Metric Value
wikitext2_ppl 6.7354
zero-shot accuracy avg 68.5413
arc_challenge 55.2048
arc_easy 73.9057
commonsense_qa 76.3309
hellaswag 80.4621
lambada_openai 73.5494
openbookqa 44.8000
piqa 79.8694
truthfulqa_mc2 57.9272
winogrande 74.8224
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