transformers gguf merge mergekit lazymergekit Locutusque/OpenCerebrum-1.0-7b-DPO Locutusque/Hyperion-3.0-Mistral-7B-DPO en base_model:hydra-project/CerebrumHyperion-7B-DPO base_model:quantized:hydra-project/CerebrumHyperion-7B-DPO endpoints_compatible region:us