Qwen3-Reranker-4B-W4A16-G128

GPTQ Quantized Qwen/Qwen3-Reranker-4B with Ultrachat, THUIR/T2Ranking and m-a-p/COIG-CQIA for calibration set.

What's the benefit?

VRAM Usage: 17430M -> 11000M (w/o FA2, according to Embedding model's result).

What's the cost?

I think <5% accuracy, further evaluation on the way...

The Embedding one shows ~0.7%.

How to use it?

pip install compressed-tensors optimum and auto-gptq / gptqmodel, then goto the official usage guide.