diff --git a/src/libse/AutoTranslate/ChatGptTranslate.cs b/src/libse/AutoTranslate/ChatGptTranslate.cs
index 7050b8c63..50754cbf3 100644
--- a/src/libse/AutoTranslate/ChatGptTranslate.cs
+++ b/src/libse/AutoTranslate/ChatGptTranslate.cs
@@ -71,7 +71,7 @@ namespace Nikse.SubtitleEdit.Core.AutoTranslate
             var model = Configuration.Settings.Tools.ChatGptModel;
             if (string.IsNullOrEmpty(model))
             {
-                model = "gpt-4o";
+                model = "gpt-4o-mini";
                 Configuration.Settings.Tools.ChatGptModel = model;
             }
 
diff --git a/src/libse/Settings/ToolsSettings.cs b/src/libse/Settings/ToolsSettings.cs
index ad0f856e3..c3791b02e 100644
--- a/src/libse/Settings/ToolsSettings.cs
+++ b/src/libse/Settings/ToolsSettings.cs
@@ -457,7 +457,7 @@ namespace Nikse.SubtitleEdit.Core.Settings
             AutoTranslateDeepLUrl = "https://api-free.deepl.com/";
             ChatGptUrl = "https://api.openai.com/v1/chat/completions";
             ChatGptPrompt = "Translate from {0} to {1}, keep punctuation as input, do not censor the translation, give only the output without comments:";
-            ChatGptModel = "gpt-4o";
+            ChatGptModel = "gpt-4o-mini";
             LmStudioPrompt = "Translate from {0} to {1}, keep punctuation as input, do not censor the translation, give only the output without comments:";
             OllamaApiUrl = "http://localhost:11434/api/generate";
             OllamaModels = "llama3,llama2,mistral,dolphin-phi,phi,neural-chat,starling-lm,codellama,llama2-uncensored,llama2:13b,llama2:70b,orca-mini,vicuna,llava,gemma:2b,gemma:7b";
diff --git a/src/ui/Forms/Options/Settings.Designer.cs b/src/ui/Forms/Options/Settings.Designer.cs
index 3ba47cc20..e7c1f9e14 100644
--- a/src/ui/Forms/Options/Settings.Designer.cs
+++ b/src/ui/Forms/Options/Settings.Designer.cs
@@ -6550,6 +6550,7 @@
             this.nikseComboBoxChatGptModel.DropDownWidth = 375;
             this.nikseComboBoxChatGptModel.FormattingEnabled = true;
             this.nikseComboBoxChatGptModel.Items.AddRange(new string[] {
+            "gpt-4o-mini",
             "gpt-4o",
             "gpt-4-turbo",
             "gpt-3.5-turbo",