transformers safetensors minicpm text-generation pruna-ai custom_code base_model:PrunaAI/openbmb-MiniCPM-1B-sft-bf16-bnb-4bit-smashed base_model:quantized:PrunaAI/openbmb-MiniCPM-1B-sft-bf16-bnb-4bit-smashed autotrain_compatible 4-bit bitsandbytes region:us