transformers safetensors stablelm_alpha text-generation causal-lm custom_code en dataset:tiiuae/falcon-refinedweb dataset:togethercomputer/RedPajama-Data-1T dataset:CarperAI/pilev2-dev dataset:bigcode/starcoderdata dataset:JeanKaddour/minipile arxiv:2002.05202 arxiv:2104.09864 arxiv:2101.00027 arxiv:2305.06161 arxiv:1910.02054 license:cc-by-sa-4.0 autotrain_compatible region:us