transformers gguf Composer MosaicML llm-foundry en dataset:jeffwan/sharegpt_vicuna dataset:Hello-SimpleAI/HC3 dataset:tatsu-lab/alpaca dataset:Anthropic/hh-rlhf dataset:victor123/evol_instruct_70k base_model:mosaicml/mpt-7b-chat base_model:quantized:mosaicml/mpt-7b-chat license:cc-by-nc-sa-4.0 endpoints_compatible region:us imatrix