ISTA (GSQ-RCO) vs Unsloth quant beef heats up as users ask why ISTA won't publish KLD
Queasy_Back2588 · reddit · 2026-11-03
A Redditor is enjoying the quantization rivalry between ISTA's GSQ-RCO and Unsloth, arguing the competition ultimately yields better quants for everyone. The key critique: ISTA doesn't publish KLD for its quants — a metric independent of thinking length that would make comparisons far easier — with the only GSQ-RCO KLD numbers so far appearing in Unsloth's own charts.
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