On June 30, Baidu officially released the Wenxin large model 4.5 series as open source, encompassing 10 state-of-the-art models such as ERNIE-4.5-VL-424B-A47B-Paddle. This includes mixture-of-experts (MoE) models with 47B and 3B activation parameters, as well as a dense model with 0.3B parameters. Notably, Baidu has achieved full open sourcing of both pre-training weights and inference code for these models. Currently, this series of models is available on platforms like the PaddlePaddle Galaxy community, underscoring Baidu's commitment to advancing open source initiatives.