transformers safetensors mistral text-generation pruna-ai conversational base_model:NousResearch/Nous-Hermes-2-Mistral-7B-DPO base_model:quantized:NousResearch/Nous-Hermes-2-Mistral-7B-DPO autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us