transformers safetensors gpt_neox text-generation arxiv:2204.06745 base_model:Dampish/StellarX-4B-V0.2 base_model:quantized:Dampish/StellarX-4B-V0.2 license:cc-by-nc-sa-4.0 autotrain_compatible text-generation-inference 4-bit gptq region:us