diff --git a/demos/use_cases/chatgpt-preference-model-selector/public/manifest.json b/demos/use_cases/chatgpt-preference-model-selector/public/manifest.json
index b2308182..9336ae0f 100644
--- a/demos/use_cases/chatgpt-preference-model-selector/public/manifest.json
+++ b/demos/use_cases/chatgpt-preference-model-selector/public/manifest.json
@@ -17,7 +17,7 @@
   },
   "web_accessible_resources": [
     {
-      "resources": ["index.html"],
+      "resources": ["index.html", "logo.png"],
       "matches": ["https://chatgpt.com/*"]
     },
     {
diff --git a/demos/use_cases/chatgpt-preference-model-selector/src/App.js b/demos/use_cases/chatgpt-preference-model-selector/src/App.js
index 5463b432..41d12fde 100644
--- a/demos/use_cases/chatgpt-preference-model-selector/src/App.js
+++ b/demos/use_cases/chatgpt-preference-model-selector/src/App.js
@@ -5,11 +5,22 @@ export default function App() {
   return (
     <div className="bg-gray-100 min-h-screen flex items-center justify-center p-4">
       <div className="w-full max-w-6xl">
-        <div className="text-center mb-8">
-            <h1 className="text-3xl font-bold text-gray-800">RouteGPT</h1>
-            <p className="text-gray-600 mt-2">Dynamically route to GPT models based on usage preferences.</p>
-            <a target="_blank" href="https://github.com/katanemo/archgw" className="text-blue-500 hover:underline">powered by Arch Router</a>
+      <div className="text-center mb-8">
+        <div className="flex justify-center items-center gap-3 -ml-12">
+          <img src="/logo.png" alt="RouteGPT Logo" className="w-10 h-10" />
+          <h1 className="text-3xl font-bold text-gray-800">RouteGPT</h1>
         </div>
+        <p className="text-gray-600 mt-2">
+          Dynamically route to GPT models based on usage preferences.
+        </p>
+        <a
+          target="_blank"
+          href="https://github.com/katanemo/archgw"
+          className="text-blue-500 hover:underline"
+        >
+          powered by Arch Router
+        </a>
+      </div>
         <PreferenceBasedModelSelector />
       </div>
     </div>
diff --git a/demos/use_cases/chatgpt-preference-model-selector/src/assets/logo.png b/demos/use_cases/chatgpt-preference-model-selector/src/assets/logo.png
new file mode 100644
index 00000000..1806ffbc
Binary files /dev/null and b/demos/use_cases/chatgpt-preference-model-selector/src/assets/logo.png differ
diff --git a/demos/use_cases/chatgpt-preference-model-selector/src/build.js b/demos/use_cases/chatgpt-preference-model-selector/src/build.js
index 36f2ef70..57c4775f 100644
--- a/demos/use_cases/chatgpt-preference-model-selector/src/build.js
+++ b/demos/use_cases/chatgpt-preference-model-selector/src/build.js
@@ -44,4 +44,21 @@ try {
   process.exit(1);
 }
 
+// 4️⃣ Copy logo.png from src/assets to build root
+try {
+  const logoSource = path.join(reactAppDir, 'src', 'assets', 'logo.png');
+  const logoDest = path.join(buildDir, 'logo.png');
+
+  if (!fs.existsSync(logoSource)) {
+    throw new Error(`Missing logo.png at ${logoSource}`);
+  }
+
+  fs.copyFileSync(logoSource, logoDest);
+  console.log(`Copied logo.png → ${logoDest}`);
+} catch (err) {
+  console.error('Failed to copy logo.png:', err);
+  process.exit(1);
+}
+
+
 console.log('Extension build process finished successfully!');
diff --git a/demos/use_cases/chatgpt-preference-model-selector/src/components/PreferenceBasedModelSelector.js b/demos/use_cases/chatgpt-preference-model-selector/src/components/PreferenceBasedModelSelector.js
index 4a4ea8b2..575b5923 100644
--- a/demos/use_cases/chatgpt-preference-model-selector/src/components/PreferenceBasedModelSelector.js
+++ b/demos/use_cases/chatgpt-preference-model-selector/src/components/PreferenceBasedModelSelector.js
@@ -8,12 +8,8 @@ const MODEL_LIST = [
   'gpt-4.1-mini',
   'gpt-4.5-preview',
   'o3',
-  'o3-pro',
   'o4-mini',
-  'o4-mini-high',
-  'o1',
-  'o1-mini',
-  'o1-pro'
+  'o4-mini-high'
 ];
 
 // --- Mocked lucide-react icons as SVG components ---
@@ -185,9 +181,9 @@ export default function PreferenceBasedModelSelector() {
             {routingEnabled && (
               <div className="pt-4 mt-4 space-y-3 border-t border-gray-200">
                 {preferences.map((pref) => (
-                  <div key={pref.id} className="grid grid-cols-[3fr_1fr_auto] gap-4 items-center">
+                  <div key={pref.id} className="grid grid-cols-[3fr_1.5fr_auto] gap-4 items-center">
                     <Input
-                      placeholder="Usage (e.g. generate tests)"
+                      placeholder="(e.g. generating fictional stories or poems)"
                       value={pref.usage}
                       onChange={(e) => updatePreference(pref.id, 'usage', e.target.value)}
                     />
@@ -219,7 +215,7 @@ export default function PreferenceBasedModelSelector() {
         </Card>
         <Card className="w-full">
           <CardContent>
-            <Label>Default Model on Page Load</Label>
+            <Label>Default Model</Label>
             <select
               value={defaultModel}
               onChange={(e) => setDefaultModel(e.target.value)}
diff --git a/demos/use_cases/chatgpt-preference-model-selector/src/scripts/content.js b/demos/use_cases/chatgpt-preference-model-selector/src/scripts/content.js
index 678ef6aa..11d0488d 100644
--- a/demos/use_cases/chatgpt-preference-model-selector/src/scripts/content.js
+++ b/demos/use_cases/chatgpt-preference-model-selector/src/scripts/content.js
@@ -1,6 +1,6 @@
 (() => {
   const TAG = '[ModelSelector]';
-
+  // Content script to intercept fetch requests and modify them based on user preferences
   async function streamToPort(response, port) {
     const reader = response.body?.getReader();
     if (!reader) {
@@ -17,6 +17,7 @@
     }
   }
 
+  // Extract messages from the DOM, falling back to requestMessages if DOM is empty
   function getMessagesFromDom(requestMessages = null) {
     const bubbles = [...document.querySelectorAll('[data-message-author-role]')];
 
@@ -46,8 +47,40 @@
     return domMessages;
   }
 
+  // Insert a route label for the last user message in the chat
+  function insertRouteLabelForLastUserMessage(routeName) {
+    chrome.storage.sync.get(['preferences'], ({ preferences }) => {
+    if (!Array.isArray(preferences)) return;
+
+    const match = preferences.find(p => p.name === routeName);
+    if (!match || !match.usage) {
+      console.warn('[RouteLabel] No usage found for route:', routeName);
+      return;
+    }
+
+    const bubbles = [...document.querySelectorAll('[data-message-author-role="user"]')];
+    const lastBubble = bubbles[bubbles.length - 1];
+    if (!lastBubble) return;
+
+    if (lastBubble.querySelector('.arch-route-label')) {
+      console.log('[RouteLabel] Label already exists, skipping');
+      return;
+    }
+
+    const label = document.createElement('span');
+    label.textContent = `RouteGPT preference >> ${match.usage}`;
+    label.className = 'arch-route-label';
+    label.style.fontWeight = '100';
+    label.style.fontSize = '0.85rem';
+    label.style.marginTop = '4px';
+
+    lastBubble.appendChild(label);
+    console.log('[RouteLabel] Inserted label:', label.textContent);
+  });
+  }
 
 
+  // Prepare the system prompt for the proxy request
   function prepareProxyRequest(messages, routes, maxTokenLength = 2048) {
     const SYSTEM_PROMPT_TEMPLATE = `
 You are a helpful assistant designed to find the best suited route.
@@ -219,6 +252,7 @@ Based on your analysis, provide your response in the following JSON formats if y
         if (selectedRoute) {
           targetModel = await getModelIdForRoute(selectedRoute);
           console.log(`${TAG} Resolved model for route "${selectedRoute}" →`, targetModel);
+          insertRouteLabelForLastUserMessage(selectedRoute);
         }
 
         const modifiedBody = { ...originalBody };