transformers safetensors mixtral text-generation mergekit merge moe conversational base_model:mistralai/Mistral-7B-Instruct-v0.1 base_model:merge:mistralai/Mistral-7B-Instruct-v0.1 base_model:mistralai/Mistral-7B-Instruct-v0.2 base_model:merge:mistralai/Mistral-7B-Instruct-v0.2 license:apache-2.0 model-index autotrain_compatible text-generation-inference endpoints_compatible region:us