transformers gguf merge mergekit lazymergekit prometheus-eval/prometheus-8x7b-v2.0 mistralai/Mixtral-8x7B-Instruct-v0.1 en base_model:vicgalle/Merge-Mixtral-Prometheus-8x7B base_model:quantized:vicgalle/Merge-Mixtral-Prometheus-8x7B license:apache-2.0 endpoints_compatible region:us conversational