diff --git a/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadImageFn.cs b/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadImageFn.cs
index f8a0f5938..2e30929e7 100644
--- a/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadImageFn.cs
+++ b/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadImageFn.cs
@@ -98,10 +98,9 @@ private async Task<string> GetChatCompletion(Agent agent, List<RoleDialogModel>
     {
         try
         {
-            var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
-            var provider = llmProviderService.GetProviders().FirstOrDefault(x => x == "openai");
-            var model = llmProviderService.GetProviderModel(provider: provider, id: "gpt-4o", multiModal: true);
-            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model.Name);
+            var provider = "openai";
+            var model = "gpt-5-mini";
+            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model);
             var response = await completion.GetChatCompletions(agent, dialogs);
             return response.Content;
         }
diff --git a/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadPdfFn.cs b/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadPdfFn.cs
index ab8ab8a95..7436fce56 100644
--- a/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadPdfFn.cs
+++ b/src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadPdfFn.cs
@@ -89,10 +89,9 @@ private async Task<string> GetChatCompletion(Agent agent, List<RoleDialogModel>
     {
         try
         {
-            var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
-            var provider = llmProviderService.GetProviders().FirstOrDefault(x => x == "openai");
-            var model = llmProviderService.GetProviderModel(provider: provider, id: "gpt-4o", multiModal: true);
-            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model.Name);
+            var provider = "openai";
+            var model = "gpt-5-mini";
+            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model);
             var response = await completion.GetChatCompletions(agent, dialogs);
             return response.Content;
         }