diff --git a/app/store/chat.ts b/app/store/chat.ts
index bcdd99569..05b3ff059 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -501,7 +501,7 @@ export const useChatStore = create<ChatStore>()(
           api.llm.chat({
             messages: topicMessages,
             config: {
-              model: "gpt-3.5-turbo",
+              model: "gpt-3.5-turbo-16k",
             },
             onFinish(message) {
               get().updateCurrentSession(