We built a calibration-aware Q4_K_M quant of Qwen3.5 0.8B that recovers 96.5% of the BF16 gap vs pure llama.cpp Q4_K_M (SpectralQuant)
Hey everyone, We just released our first release candidate from Spectral Labs: a Qwen3.5 0.8B Q4_K_M built using a new calibration-aware quantization approach we're calling SpectralQuant.…