gguf quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation llama llama-3 base_model:MaziyarPanahi/calme-2.1-llama3-70b base_model:quantized:MaziyarPanahi/calme-2.1-llama3-70b region:us conversational