diff --git a/src/WebStarter/appsettings.json b/src/WebStarter/appsettings.json
index c5b226e2..8124a4a8 100644
--- a/src/WebStarter/appsettings.json
+++ b/src/WebStarter/appsettings.json
@@ -319,8 +319,8 @@
 
   "ChartHandler": {
     "ChartPlot": {
-      "LlmProvider": "",
-      "LlmModel": ""
+      "LlmProvider": "openai",
+      "LlmModel": "gpt-5"
     }
   },