Qwen3.8-27B EXL3 quant hits lowest KLD of 0.0002 in just 23 GB

suprjami · reddit · 2026-10-29

A Reddit user highlights yeasah's new EXL3 quant of Qwen3.8-27B (6bpw), which achieves the lowest measured KLD mean of 0.0002 while using only 18.8 GiB of VRAM for weights.

Comparison: Unsloth Q8KXL at 0.0005 (31.5 GB), Minachist INT8 AutoRound attn-bf16 at 0.00056 (36.9 GB), turboderp 6bpw SC at 0.0006 (23 GB). The yeasah quant beats all of them in fidelity at a smaller file size.

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