gguf quantized GGUF quantization imat imatrix static 16bit 8bit 6bit 5bit 4bit 3bit 2bit 1bit text-generation en fr de es it pt ja ko zh ar base_model:CohereForAI/c4ai-command-r-plus-08-2024 base_model:quantized:CohereForAI/c4ai-command-r-plus-08-2024 license:cc-by-nc-4.0 region:us