transformers safetensors mistral text-generation mergekit merge custom_code base_model:Jebadiah/Aria-7b-128k-v3 base_model:merge:Jebadiah/Aria-7b-128k-v3 base_model:Nitral-Archive/Echidna-7b-128k base_model:merge:Nitral-Archive/Echidna-7b-128k autotrain_compatible text-generation-inference endpoints_compatible region:us