transformers safetensors mistral text-generation arxiv:2309.11235 arxiv:2303.08774 arxiv:2212.10560 base_model:NurtureAI/openchat_3.5-16k base_model:quantized:NurtureAI/openchat_3.5-16k license:apache-2.0 autotrain_compatible text-generation-inference 4-bit gptq region:us