transformers safetensors mistral text-generation meta-math code instruct Zephyr-7B-Alpha conversational dataset:meta-math/MetaMathQA base_model:HuggingFaceH4/zephyr-7b-alpha base_model:finetune:HuggingFaceH4/zephyr-7b-alpha license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us