gguf quantized GGUF quantization imat imatrix static 16bit 8bit 6bit 5bit 4bit 3bit 2bit 1bit text-generation en fr de es it pt ru zh ja base_model:mistralai/Mistral-Nemo-Instruct-2407 base_model:quantized:mistralai/Mistral-Nemo-Instruct-2407 license:apache-2.0 region:us conversational