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IBM Granite 4.1 30B GGUF Quantization Released

·2026.04.30 07:37

Key point

GGUF quantization files and recommended variants for IBM Granite 4.1 30B have been released.

Details

bartowski used llama.cpp's imatrix method with a separate gist dataset to quantize IBM Granite 4.1 30B, and uploaded the resulting GGUF bundle to Hugging Face.

  • It offers a wide range from BF16 57.74GB to Q8_0 30.67GB, Q6_K/Q6_K_L, Q5_K, Q4_K, IQ4, IQ3, and IQ2.
  • The description marks Q6_K_L, Q6_K, Q5_K_L/M/S, Q4_K_L/M/S, IQ4_XS, Q3_K_XL, and IQ2_M as recommended variants.
  • Some variants keep the embedding and output weights at Q8_0 to reinforce quality.
  • It also includes a huggingface-cli download example and support notes for llama.cpp, LM Studio, koboldcpp, Jan AI, and Text Generation Web UI.
  • On ARM/AVX environments, online repacking of Q4_0 can be used, and the older Q4_0_X_X files are no longer needed.
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