diff --git a/app/constant.ts b/app/constant.ts
index ba0b22c7f..7e8f62767 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -63,7 +63,7 @@ Knowledge cutoff: 2021-09
 Current model: {{model}}
 Current time: {{time}}`;
 
-export const SUMMARIZE_MODEL = "gpt-3.5-turbo";
+export const SUMMARIZE_MODEL = "gpt-3.5-turbo-16k";
 
 export const DEFAULT_MODELS = [
   {