{"id":5372,"date":"2024-03-14T02:45:15","date_gmt":"2024-03-14T02:45:15","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-save-and-load-pytorch-models\/"},"modified":"2025-08-01T14:15:11","modified_gmt":"2025-08-01T14:15:11","slug":"how-to-save-and-load-pytorch-models","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-save-and-load-pytorch-models\/","title":{"rendered":"PyTorch Models: Save &#038; Load Guide"},"content":{"rendered":"<p>PyTorch models can be saved and loaded using the following methods:<\/p>\n<p>Save model:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u4fdd\u5b58\u6574\u4e2a\u6a21\u578b<\/span>\r\ntorch.save(model, <span class=\"hljs-string\">'model.pth'<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u4fdd\u5b58\u6a21\u578b\u7684state_dict<\/span>\r\ntorch.save(model.state_dict(), <span class=\"hljs-string\">'model_state_dict.pth'<\/span>)\r\n<\/code><\/pre>\n<p>Load model:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u52a0\u8f7d\u6574\u4e2a\u6a21\u578b<\/span>\r\nmodel = torch.load(<span class=\"hljs-string\">'model.pth'<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u521b\u5efa\u6a21\u578b\u5b9e\u4f8b\u5e76\u52a0\u8f7dstate_dict<\/span>\r\nmodel = Model()\r\nmodel.load_state_dict(torch.load(<span class=\"hljs-string\">'model_state_dict.pth'<\/span>))\r\n<\/code><\/pre>\n<p>Note: When loading a model, it is crucial to ensure that the model&#8217;s structure matches the one used when it was saved. If only the state_dict was saved, it is necessary to first create an instance of the model before loading the state_dict.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PyTorch models can be saved and loaded using the following methods: Save model: # \u4fdd\u5b58\u6574\u4e2a\u6a21\u578b torch.save(model, &#8216;model.pth&#8217;) # \u4fdd\u5b58\u6a21\u578b\u7684state_dict torch.save(model.state_dict(), &#8216;model_state_dict.pth&#8217;) Load model: # \u52a0\u8f7d\u6574\u4e2a\u6a21\u578b model = torch.load(&#8216;model.pth&#8217;) # \u521b\u5efa\u6a21\u578b\u5b9e\u4f8b\u5e76\u52a0\u8f7dstate_dict model = Model() model.load_state_dict(torch.load(&#8216;model_state_dict.pth&#8217;)) Note: When loading a model, it is crucial to ensure that the model&#8217;s structure matches the one used when it was [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[960,75,2859,72,1239],"class_list":["post-5372","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-deep-learning","tag-machine-learning","tag-model-persistence","tag-python","tag-pytorch"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PyTorch Models: Save &amp; Load Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to save and load PyTorch models efficiently. 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