transformers safetensors gpt_neox text-generation trl dpo generated_from_trainer conversational base_model:cleanrl/EleutherAI_pythia-1b-deduped__sft__tldr base_model:finetune:cleanrl/EleutherAI_pythia-1b-deduped__sft__tldr autotrain_compatible text-generation-inference endpoints_compatible region:us