transformers gguf mistral quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation llama-3 llama base_model:MaziyarPanahi/Llama-3-8B-Instruct-v0.9 base_model:quantized:MaziyarPanahi/Llama-3-8B-Instruct-v0.9 text-generation-inference region:us