gemma-4-26B-A4B-it β€” Q4 / Q3 / Q2 GGUF

Fast GGUFs for mainstream llama.cpp, quantized antirez style: routed experts quantized hard, everything else protected.

Recipe (antirez style)

Tensor group Q4 Q3 Q2
Routed expert gate / up (fused) Q4_K (calibrated) IQ3_XXS (imatrix) IQ2_XXS (imatrix)
Routed expert down MXFP4 IQ4_NL (imatrix) Q4_0
Shared experts, attention, output Q8_0 Q8_0 Q8_0
Token embeddings F16 F16 F16
Routers, norms, biases F32 F32 F32

Same strategy as Salvatore Sanfilippo's Qwen3.8 Flash Next (Q4_K + MXFP4) and DeepSeek V4 (IQ2_XXS + Q2_K) quants. Notes: gemma's down-expert rows are 704 wide and K-quants need multiples of 256, so Q4_K/Q3_K/Q2_K are impossible there β€” the down path uses the best fitting alternative in each class (MXFP4, IQ4_NL, Q4_0). Imatrix: unsloth.

Files

File Size
gemma-4-26B-A4B-it-Q4-Q4_K-MXFP4.gguf 14.80 GiB
gemma-4-26B-A4B-it-Q3-IQ3_XXS-IQ4_NL.gguf 12.48 GiB
gemma-4-26B-A4B-it-Q2-IQ2_XXS-Q4_0.gguf 10.70 GiB

Usage

# interactive chat (multimodal: add --mmproj mmproj-F16.gguf for images)
llama-cli -m gemma-4-26B-A4B-it-Q4-Q4_K-MXFP4.gguf -t 8 -c 8192

# server
llama-server -m gemma-4-26B-A4B-it-Q4-Q4_K-MXFP4.gguf -t 8 -c 32768 --host 0.0.0.0 --port 8080

Model

Gemma 4 26B-A4B-it is a multimodal MoE (26 B total, 4 B active) by Google DeepMind. Context: 256k tokens.

Original model: google/gemma-4-26B-A4B-it. Original BF16 GGUF: unsloth/gemma-4-26B-A4B-it-GGUF. License: Apache-2.0 (see Gemma terms).

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