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Muse-Glimmer-30B — imatrix GGUF quantizations

GGUF imatrix builds of meta-models/Muse-Glimmer-30B.

Quantized with llama.cpp version: 10358 (030ebb558) using importance-matrix calibration on a public multilingual + code + math corpus.

Prompt format

<|start|>system<|message|>{system}<|eot|><|start|>user<|message|>{prompt}<|eot|><|start|>assistant

Requires a recent llama.cpp build. The muse-glimmer architecture landed in PR #26841. Older builds will refuse to load these files. Run the server with --jinja, otherwise the model's reasoning channel leaks into content instead of reasoning_content.

Verified on this release

Tool calling was exercised against the Q6_K build via llama-server --jinja: finish_reason: tool_calls, empty content, valid JSON arguments, and reasoning correctly separated into reasoning_content. The loader prints special_eot_id is not in special_eog_ids — this is harmless here, generation stops cleanly at end of turn.

What these files are not

  • Text only. The vision projector (mmproj) is not included. For multimodal use, take the official meta-models/Muse-Glimmer-30B-GGUF.
  • No DFlash drafter. Meta's block-diffusion drafter gives a large decode speedup and ships in the official repo. Pair it with these weights using --spec-type draft-dflash --spec-draft-n-max 15.

The importance matrix is published separately at Krasnopjorovs/Imatrices. It was computed over 2148 chunks at -c 512 on a single 72 GB card in about 90 minutes; on CPU the same run takes a day or more. Drop it into llama-quantize --imatrix and build any quant type you want without repeating the calibration pass. Neither Meta nor Unsloth ship theirs.

Apache 2.0, with Meta's separate USAGE_POLICY.md also applying.

Available quants

Filename Quant Size (GiB) Description
Muse-Glimmer-30B-Q8_0.gguf Q8_0 27.58 GB Practically lossless. Closest to source with significant size cut.
Muse-Glimmer-30B-Q6_K_L.gguf Q6_K 21.90 GB Q6_K with Q8_0 embed/output tensors. Near-lossless top tier.
Muse-Glimmer-30B-Q6_K.gguf Q6_K 21.30 GB Near-lossless quality. Recommended for highest practical fidelity.
Muse-Glimmer-30B-Q5_K_L.gguf Q5_K_M 19.22 GB Q5_K_M with Q8_0 embed/output. High quality with small overhead.
Muse-Glimmer-30B-Q5_K_M.gguf Q5_K_M 18.45 GB High quality, balanced size. Recommended general-purpose.
Muse-Glimmer-30B-Q5_K_S.gguf Q5_K_S 18.02 GB Slightly smaller than Q5_K_M with similar quality.
Muse-Glimmer-30B-Q4_K_L.gguf Q4_K_M 16.70 GB Q4_K_M with Q8_0 embed/output. Sweet spot of quality and size.
Muse-Glimmer-30B-Q4_K_M.gguf Q4_K_M 15.77 GB Best size/quality tradeoff. Recommended default.
Muse-Glimmer-30B-Q4_K_S.gguf Q4_K_S 15.03 GB Compact with minor quality loss versus Q4_K_M.
Muse-Glimmer-30B-IQ4_NL.gguf IQ4_NL 14.94 GB Slightly larger than IQ4_XS. Online repacking for ARM CPU inference.
Muse-Glimmer-30B-IQ4_XS.gguf IQ4_XS 14.17 GB Most efficient sub-Q4. Smaller than Q4_K_S with comparable quality.

Calibration

Imatrix generated from reapmix (community calibration mix) — ~400K tokens — multilingual + code + math. This is the same class of public calibration data used by other community GGUF publishers; no claim of unique calibration is made for this release.

*_L and *_XL variants override the output tensor and/or token embedding to Q8_0 (versus the base type), at small extra disk for typically improved output stability at low bit-rates.

Download

Single file:

hf download Krasnopjorovs/Muse-Glimmer-30B-Imatrix-GGUF --include "Muse-Glimmer-30B-Q4_K_M.gguf" --local-dir .

Whole repo:

hf download Krasnopjorovs/Muse-Glimmer-30B-Imatrix-GGUF --local-dir ./Muse-Glimmer-30B-gguf

Run

./llama-server -m Muse-Glimmer-30B-Q4_K_M.gguf -c 32768 -ngl 99 --host 0.0.0.0 --port 8080

Picking a quant

  • Q8_0 / Q6_K_L — RAM headroom, want ceiling quality
  • Q5_K_M / Q4_K_L — workstation default, very small quality loss
  • Q4_K_M — best general size/quality tradeoff, the default choice
  • Q4_K_S / IQ4_NL — tighter budgets; IQ4_NL repacks for ARM CPUs
  • IQ4_XS — smallest here, fits a 16 GB card with context to spare

Build info

  • llama.cpp release: version: 10358 (030ebb558)
  • Generated: 2026-08-11T06:03:59

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