{"id":38503,"date":"2025-06-30T12:01:49","date_gmt":"2025-06-30T04:01:49","guid":{"rendered":"https:\/\/www.1ai.net\/?p=38503"},"modified":"2025-06-30T12:01:49","modified_gmt":"2025-06-30T04:01:49","slug":"%e7%99%be%e5%ba%a6%e6%ad%a3%e5%bc%8f%e5%bc%80%e6%ba%90%e6%96%87%e5%bf%83%e5%a4%a7%e6%a8%a1%e5%9e%8b-4-5-%e7%b3%bb%e5%88%97%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.1ai.net\/en\/38503.html","title":{"rendered":"Baidu officially open source Wenxin Big Model 4.5 series of models"},"content":{"rendered":"<p>June 30th.<a href=\"https:\/\/www.1ai.net\/en\/tag\/%e7%99%be%e5%ba%a6\" title=\"[Sees articles containing [100 degrees] labels]\" target=\"_blank\" >Baidu<\/a>today<a href=\"https:\/\/www.1ai.net\/en\/tag\/%e5%bc%80%e6%ba%90\" title=\"[View articles tagged with [open source]]\" target=\"_blank\" >Open Source<\/a><a href=\"https:\/\/www.1ai.net\/en\/tag\/%e6%96%87%e5%bf%83%e5%a4%a7%e6%a8%a1%e5%9e%8b\" title=\"[Sees articles with labels]\" target=\"_blank\" >Wenxin Large Model<\/a> 4.5 series models.<strong>10 models including the Mixed Expert (MoE) model with 47B and 3B activation parameters, and the dense model with 0.3B parameters.<\/strong>, and to realize full open source of pre-trained weights and inference code.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-38504\" title=\"6583aa56j00synhu40082d000v900hqp\" src=\"https:\/\/www.1ai.net\/wp-content\/uploads\/2025\/06\/6583aa56j00synhu40082d000v900hqp.jpg\" alt=\"6583aa56j00synhu40082d000v900hqp\" width=\"1125\" height=\"638\" \/><\/p>\n<p>At present, the Wenshin Big Model 4.5 open source series can be downloaded and deployed on platforms such as Flying Paddle Star River Community and HuggingFace, while the open source model API service can also be used on the Baidu Intelligent Cloud Thousand Sails Big Model platform.<\/p>\n<p>Wenshin Big Model 4.5 was released in March of this year.<strong>It is Baidu's first native multimodal macromodeling<\/strong>In addition, it has significant improvements in multimodal understanding, textual and logical reasoning, and outperforms GPT4.5 in a number of tests, with an API call price of only 1% of GPT4.5.<\/p>\n<p>1AI attached open source address below:<\/p>\n<p>https:\/\/aistudio.baidu.com\/modelsoverview<\/p>","protected":false},"excerpt":{"rendered":"<p>On June 30, in the news, the 100-day official open source large model 4.5 series model, a hybrid expert (MoE) model covering 47B, 3B activated parameters, 10 models such as a dense model of 0.3B parameters, and the full opening of pre-trained weights and reasoning codes. 4.5 The Open Source Series is currently available for deployment on platforms such as the Opals River Community, HuggingFace, and the Open Source Model API service is also available on the 100-degree Smart Clouds-Travel Model platform. 4.5. Launched in March of this year, it is the first 100-degree primary multi-modular model, with significant improvements in terms of multi-modular understanding, text and logical reasoning, with multiple tests better than GPT 4.5, A<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[219,272,234],"collection":[],"class_list":["post-38503","post","type-post","status-publish","format-standard","hentry","category-news","tag-219","tag-272","tag-234"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts\/38503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/comments?post=38503"}],"version-history":[{"count":0,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/posts\/38503\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/media?parent=38503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/categories?post=38503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/tags?post=38503"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/www.1ai.net\/en\/wp-json\/wp\/v2\/collection?post=38503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}