transformers safetensors mistral text-generation mergekit merge custom_code arxiv:2311.03099 arxiv:2306.01708 base_model:Jebadiah/Aria-7b-128k-v4 base_model:merge:Jebadiah/Aria-7b-128k-v4 base_model:cognitivecomputations/dolphin-2.9-llama3-8b-1m base_model:merge:cognitivecomputations/dolphin-2.9-llama3-8b-1m autotrain_compatible text-generation-inference endpoints_compatible region:us