ByteShape Qwen 3.8 27B: To KL Diverge or Not to KL Diverge, Part 2: Metric Boogaloo

Hey r/LocalLLaMA , We’ve released our full ShapeLearn GGUFs for Qwen 3.8 27B. Blog / Download models TL;DR 3.84 bpw (GPU-5) reaches 99.63% of BF16’s aggregate score of 8 benchmarks, being the most accurate quant we’ve evaluated; 3.23 bpw (GPU-4) reaches 98.72%. These average BF1…

Published 15 Sept 2026, 16:31 · Updated 15 Sept 2026, 23:17