transformers safetensors llama text-generation pruna-ai conversational base_model:PrunaAI/openbmb-MiniCPM-2B-dpo-bf16-llama-format-bnb-4bit-smashed base_model:quantized:PrunaAI/openbmb-MiniCPM-2B-dpo-bf16-llama-format-bnb-4bit-smashed autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us