gguf text-generation arxiv:2405.07863 arxiv:2312.11456 base_model:Salesforce/LLaMA-3-8B-SFR-Iterative-DPO-R base_model:quantized:Salesforce/LLaMA-3-8B-SFR-Iterative-DPO-R license:llama3 endpoints_compatible region:us conversational