transformers safetensors gemma2 text-generation mergekit merge conversational base_model:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 base_model:merge:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 base_model:princeton-nlp/gemma-2-9b-it-SimPO base_model:merge:princeton-nlp/gemma-2-9b-it-SimPO license:gemma autotrain_compatible text-generation-inference endpoints_compatible region:us