transformers safetensors mistral text-generation merge mergekit lazymergekit OpenPipe/mistral-ft-optimized-1218 HuggingFaceH4/zephyr-7b-beta conversational base_model:HuggingFaceH4/zephyr-7b-beta base_model:merge:HuggingFaceH4/zephyr-7b-beta base_model:OpenPipe/mistral-ft-optimized-1218 base_model:merge:OpenPipe/mistral-ft-optimized-1218 autotrain_compatible text-generation-inference endpoints_compatible region:us