Ornith-1.5-9B - AWQ-W4A16
ornith-ai/Ornith-1.5-9B quantized to AWQ-W4A16 (4-bit weights).
What this is
Same footprint as W4A16 but calibrates faster and usually holds up better on instruction-tuned and multilingual models. Start here.
Caveat. Asymmetric; a few older vLLM kernels prefer symmetric W4A16.
Details
| Source | ornith-ai/Ornith-1.5-9B |
| Scheme | AWQ-W4A16 (4-bit) |
| Format | compressed-tensors |
| Parameters | 9.4B |
| Size on disk | 8.6 GB |
| Compression | 2.19x smaller than the 18.8 GB source |
| Calibration | HuggingFaceH4/ultrachat_200k, 256 samples |
| Left unquantized | lm_head, re:.*visual.*, re:.*vision_tower.*, re:.*vision_model.*, re:.*vision.*, re:.*multi_modal_projector.*, re:.*merger.* |
| Quantized on | A40 |
| Quantized by | Sohailhosseini |
Usage
vllm serve Sohailhosseini/Ornith-1.5-9B-AWQ-W4A16 \
--max-model-len 32768
from vllm import LLM, SamplingParams
if __name__ == "__main__":
llm = LLM("Sohailhosseini/Ornith-1.5-9B-AWQ-W4A16", max_model_len=32768)
out = llm.chat(
[{"role": "user", "content": "What is quantization? Answer in one sentence."}],
SamplingParams(temperature=0.6, max_tokens=512),
)
print(out[0].outputs[0].text)
Provenance
Produced with HF-quantized. recipe.yaml in this repo is the exact modifier stack that was applied, and the scheme, ignored layers, calibration set and hardware are in the table above.
Licence is inherited from the source model. Quantization does not change what you are permitted to do with the weights.