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Instella-MoE

AMD🇺🇸 USMajor lab· Jul 23, 2026

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INT4 weight-only quantized (W4A16) SFT variant for CPU inference on AMD EPYC with vLLM and ZenDNN. Only dense and shared-expert layers are quantized, while routed experts stay BF16, so the size drops only from 29.5 to 28.9 GiB.

Summary of the model card

License
other
Modalities
text → text

8 variants

16B A3B SFT W4A16 Llmcompressor16B-A3BHF
16B A3B SFT W8A8 Llmcompressor16B-A3BHF
16B A3B Think16B-A3BHF
16B A3B SFT16B-A3BHF
16B A3B Pretrain16B-A3BHF
16B A3B Midtrain16B-A3BHF
16B A3B DPO16B-A3BHF
16B A3B Base16B-A3BHF

Sources

HuggingFacePaper
Deutsch

INT4-gewichtsquantisierte Variante (W4A16) des SFT-Modells für CPU-Inferenz auf AMD EPYC mit vLLM und ZenDNN. Quantisiert sind nur Dense- und Shared-Expert-Schichten, die gerouteten Experten bleiben BF16, daher sinkt die Größe nur von 29,5 auf 28,9 GiB.

Provenance

Detected
Sep 27, 2026
First source
huggingface
Description
Summary of the model card
Editorially reviewed
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