transformers gguf Composer MosaicML llm-foundry StreamingDatasets en dataset:allenai/c4 dataset:mc4 dataset:togethercomputer/RedPajama-Data-1T dataset:bigcode/the-stack-dedup dataset:allenai/s2orc base_model:mosaicml/mpt-30b base_model:quantized:mosaicml/mpt-30b license:apache-2.0 endpoints_compatible region:us