transformers safetensors stablelm text-generation mergekit merge conversational arxiv:2306.01708 base_model:coffiee/s25 base_model:merge:coffiee/s25 base_model:coffiee/s26 base_model:merge:coffiee/s26 base_model:zzttbrdd/sn6_05s base_model:merge:zzttbrdd/sn6_05s autotrain_compatible endpoints_compatible region:us