transformers safetensors gemma2 text-generation conversational dataset:jondurbin/gutenberg-dpo-v0.1 base_model:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 base_model:finetune:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 license:gemma model-index autotrain_compatible text-generation-inference endpoints_compatible region:us