gguf chat mistral roleplay creative-writing text-generation en arxiv:2311.03099 arxiv:2306.01708 base_model:Gryphe/Pantheon-RP-1.6-12b-Nemo base_model:quantized:Gryphe/Pantheon-RP-1.6-12b-Nemo license:apache-2.0 endpoints_compatible region:us conversational