transformers safetensors mistral text-generation mergekit merge conversational base_model:BeaverAI/NeMoist-21B-v1a base_model:merge:BeaverAI/NeMoist-21B-v1a base_model:TheDrummer/Theia-21B-v2 base_model:merge:TheDrummer/Theia-21B-v2 autotrain_compatible text-generation-inference endpoints_compatible region:us