gguf quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation llama llama-3 base_model:MaziyarPanahi/Llama-3-70B-Instruct-32k-v0.1 base_model:quantized:MaziyarPanahi/Llama-3-70B-Instruct-32k-v0.1 region:us conversational