transformers safetensors gpt_neox text-generation causal-lm code dataset:bigcode/starcoderdata arxiv:2104.09864 arxiv:1910.02054 base_model:stabilityai/stablecode-completion-alpha-3b-4k base_model:quantized:stabilityai/stablecode-completion-alpha-3b-4k license:apache-2.0 model-index autotrain_compatible text-generation-inference 4-bit gptq region:us