Updates

  • 5/18/2026: I've uploaded new quants that include the MTP Tensors (@ Q8_0).
  • 3/10/2026: I've uploaded new quants using the new fused Up + Gate conversion, this offers up to a +10% boost in prompt processing speed from my testing.

Description

This repo contains specialized MoE-quants for Qwen3.5-35B-A3B. The idea being that given the huge size of the FFN tensors compared to the rest of the tensors in the model, it should be possible to achieve a better quality while keeping the overall size of the entire model smaller compared to a similar naive quantization. To that end, the quantization type default is kept in high quality and the FFN UP + FFN GATE tensors are quanted down along with the FFN DOWN tensors.

Quant Size Mixture PPL 1-(Mean PPL(Q)/PPL(base)) KLD
Q8_0 35.19 GiB (8.51 BPW) Q8_0 6.535248 ± 0.041570 +0.0252% 0.004522 ± 0.000057
Q5_K_M 25.28 GiB (6.12 BPW) Q8_0 / Q5_K / Q5_K / Q6_K 6.534171 ± 0.041557 +0.0087% 0.006066 ± 0.000056
Q4_K_M 21.45 GiB (5.19 BPW) Q8_0 / Q4_K / Q4_K / Q5_K 6.560168 ± 0.041799 +0.4066% 0.009884 ± 0.000075
IQ4_XS 17.23 GiB (4.17 BPW) Q8_0 / IQ3_S / IQ3_S / IQ4_XS 6.635447 ± 0.042320 +1.5588% 0.023868 ± 0.000204
IQ3_S 13.48 GiB (3.26 BPW) Q6_K / IQ2_S / IQ2_S / IQ3_S 6.920209 ± 0.044626 +5.9172% 0.061977 ± 0.000394

kld_graph ppl_graph

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GGUF
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