transformers pytorch gpt_neox text-generation dataset:samsum dataset:wmt19 dataset:ChristophSchuhmann/essays-with-instructions dataset:gsm8k dataset:Anthropic/hh-rlhf dataset:xsum dataset:cnn_dailymail dataset:openai/webgpt_comparisons dataset:ted_talks_iwslt dataset:math_qa dataset:allenai/scitldr dataset:oa_not_yet_finish_datasets license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us