transformers safetensors mistral text-generation openchat C-RLFT conversational arxiv:2309.11235 arxiv:2303.08774 base_model:openchat/openchat-3.5-0106 base_model:quantized:openchat/openchat-3.5-0106 license:apache-2.0 autotrain_compatible text-generation-inference 8-bit gptq region:us