gguf quantized GGUF quantization imat imatrix static 16bit 8bit 6bit 5bit 4bit 3bit 2bit 1bit text-generation en fr de es it pt zh ja ru ko base_model:mistralai/Mistral-Small-Instruct-2409 base_model:quantized:mistralai/Mistral-Small-Instruct-2409 license:other region:us conversational