diff --git a/components/ChatMessage.tsx b/components/ChatMessage.tsx
index 1c5a8a67f..4066b20d7 100644
--- a/components/ChatMessage.tsx
+++ b/components/ChatMessage.tsx
@@ -200,7 +200,7 @@ function copyToClipboard(text: string) {
 function prettyBaseModel(model: string | undefined): string {
   if (!model) return '';
   if (model.startsWith('gpt-4')) return 'gpt-4';
-  if (model.startsWith('gpt-3.5-turbo')) return '3.5-turbo';
+  if (model.startsWith('gpt-3.5-turbo')) return '3.5 Turbo';
   return model;
 }
 
diff --git a/lib/data.ts b/lib/data.ts
index 75de5a44a..ddcb9f254 100644
--- a/lib/data.ts
+++ b/lib/data.ts
@@ -51,6 +51,8 @@ export const SystemPurposes: { [key in SystemPurposeId]: SystemPurposeData } = {
 
 export type ChatModelId = 'gpt-4' | 'gpt-3.5-turbo';
 
+export const defaultChatModelId: ChatModelId = 'gpt-4';
+
 type ChatModelData = {
   description: string | JSX.Element;
   title: string;
diff --git a/lib/store-chats.ts b/lib/store-chats.ts
index 1390a316f..6f1f19fbb 100644
--- a/lib/store-chats.ts
+++ b/lib/store-chats.ts
@@ -2,7 +2,7 @@ import * as React from 'react';
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
 
-import { ChatModelId, SystemPurposeId } from '@/lib/data';
+import { ChatModelId, defaultChatModelId, SystemPurposeId } from '@/lib/data';
 
 
 /// Conversations Store
@@ -72,9 +72,9 @@ export interface DConversation {
 const createConversation = (id: string, name: string, systemPurposeId: SystemPurposeId, chatModelId: ChatModelId): DConversation =>
   ({ id, name, messages: [], systemPurposeId, chatModelId, created: Date.now(), updated: Date.now() });
 
-const defaultConversations: DConversation[] = [createConversation('default', 'Conversation', 'Generic', 'gpt-4')];
+const defaultConversations: DConversation[] = [createConversation('default', 'Conversation', 'Generic', defaultChatModelId)];
 
-const errorConversation: DConversation = createConversation('error-missing', 'Missing Conversation', 'Developer', 'gpt-3.5-turbo');
+const errorConversation: DConversation = createConversation('error-missing', 'Missing Conversation', 'Developer', defaultChatModelId);
 
 
 export const useChatStore = create<ConversationsStore>()(