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SpectralQuant recovers 96.5% of BF16 gap on Qwen3.5 quant

SpectralQuant recovers 96.5% of BF16 gap on Qwen3.5 quantView on Reddit

Spectral Labs released SpectralQuant, a calibration-aware Q4_K_M quantization of Qwen3.5 0.8B that recovers 96.5% of the BF16 performance gap over standard llama.cpp Q4_K_M. The approach aims to achieve larger-quant behavior at the same footprint.

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6 hours ago
SpectralQuant recovers 96.5% of BF16 gap on Qwen3.5 quant — AIBriefs