q6 vs q8 A/B testing at 300-400k context shows quantization loss amplified
Viktri1 · reddit · 2026-11-14
A Reddit user asks whether higher quantization matters at long context (300-400k tokens). After A/B testing Qwen Flash Next at q6 vs q8, they found cases where q6 got wrong answers while q8 was fine—despite q6 being assumed lossless. Their hypothesis: longer context means more tokens for divergence to accumulate, amplifying quantization error beyond what short-context benchmarks suggest.
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