diff --git a/controllers/AI.js b/controllers/AI.js
index 8690107dd5a154a5a5ed3cb1f900c1ee0c030aff..7d57c9f21369dbdb5ec2920683936558969dcd92 100644
--- a/controllers/AI.js
+++ b/controllers/AI.js
@@ -121,9 +121,7 @@ export const getChat = async (req, res, next) => {
  */
 export const getChats = async (req, res, next) => {
   try {
-    // TODO sort chats by createdAt
     const chats = await findRecords(Chat, { createdBy: global.currentUserId });
-    // const chats = await Chat.find({ createdBy: global.currentUserId }).sort({ 'createdAt': 1 });
     return res.json({ chats });
   } catch (error) {
     next(error);
diff --git a/coverage/ragchat-api/routes/ai.js.html b/coverage/ragchat-api/routes/ai.js.html
index 3ee1adafb963767bbb95ae4a1d65d63b22964533..d2ce27b3ec878f102ca4405371e7db325b5701d0 100644
--- a/coverage/ragchat-api/routes/ai.js.html
+++ b/coverage/ragchat-api/routes/ai.js.html
@@ -1,65 +1,65 @@
-
 <!doctype html>
 <html lang="en">
 
 <head>
-    <title>Code coverage report for ragchat-api/routes/ai.js</title>
-    <meta charset="utf-8" />
-    <link rel="stylesheet" href="../../prettify.css" />
-    <link rel="stylesheet" href="../../base.css" />
-    <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <style type='text/css'>
-        .coverage-summary .sorter {
-            background-image: url(../../sort-arrow-sprite.png);
-        }
-    </style>
+  <title>Code coverage report for ragchat-api/routes/ai.js</title>
+  <meta charset="utf-8" />
+  <link rel="stylesheet" href="../../prettify.css" />
+  <link rel="stylesheet" href="../../base.css" />
+  <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <style type='text/css'>
+    .coverage-summary .sorter {
+      background-image: url(../../sort-arrow-sprite.png);
+    }
+  </style>
 </head>
-    
+
 <body>
-<div class='wrapper'>
+  <div class='wrapper'>
     <div class='pad1'>
-        <h1><a href="../../index.html">All files</a> / <a href="index.html">ragchat-api/routes</a> ai.js</h1>
-        <div class='clearfix'>
-            
-            <div class='fl pad1y space-right2'>
-                <span class="strong">100% </span>
-                <span class="quiet">Statements</span>
-                <span class='fraction'>97/97</span>
-            </div>
-        
-            
-            <div class='fl pad1y space-right2'>
-                <span class="strong">100% </span>
-                <span class="quiet">Branches</span>
-                <span class='fraction'>0/0</span>
-            </div>
-        
-            
-            <div class='fl pad1y space-right2'>
-                <span class="strong">100% </span>
-                <span class="quiet">Functions</span>
-                <span class='fraction'>0/0</span>
-            </div>
-        
-            
-            <div class='fl pad1y space-right2'>
-                <span class="strong">100% </span>
-                <span class="quiet">Lines</span>
-                <span class='fraction'>97/97</span>
-            </div>
-        
-            
+      <h1><a href="../../index.html">All files</a> / <a href="index.html">ragchat-api/routes</a> ai.js</h1>
+      <div class='clearfix'>
+
+        <div class='fl pad1y space-right2'>
+          <span class="strong">100% </span>
+          <span class="quiet">Statements</span>
+          <span class='fraction'>97/97</span>
+        </div>
+
+
+        <div class='fl pad1y space-right2'>
+          <span class="strong">100% </span>
+          <span class="quiet">Branches</span>
+          <span class='fraction'>0/0</span>
+        </div>
+
+
+        <div class='fl pad1y space-right2'>
+          <span class="strong">100% </span>
+          <span class="quiet">Functions</span>
+          <span class='fraction'>0/0</span>
+        </div>
+
+
+        <div class='fl pad1y space-right2'>
+          <span class="strong">100% </span>
+          <span class="quiet">Lines</span>
+          <span class='fraction'>97/97</span>
         </div>
-        <p class="quiet">
-            Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
-        </p>
-        <template id="filterTemplate">
-            <div class="quiet">
-                Filter:
-                <input type="search" id="fileSearch">
-            </div>
-        </template>
+
+
+      </div>
+      <p class="quiet">
+        Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the
+        previous block.
+      </p>
+      <template id="filterTemplate">
+        <div class="quiet">
+          Filter:
+          <input type="search" id="fileSearch">
+        </div>
+      </template>
     </div>
     <div class='status-line high'></div>
     <pre><table class="coverage">
@@ -348,26 +348,29 @@ router.post('/chat', verifyAccessToken, validate(chatSchema), checkRequestedMode
  * @header  {authorization}  Bearer       [required] access token
  * @return  {object}                    list of found conversations, ordered by updated
  */
-// TODO sort chats by createdAt
 router.get('/chats', verifyAccessToken, getChats);
 &nbsp;
-export default router;</pre></td></tr></table></pre>
+export default router;</pre>
+    </td>
+    </tr>
+    </table>
+    </pre>
+
+    <div class='push'></div><!-- for sticky footer -->
+  </div><!-- /wrapper -->
+  <div class='footer quiet pad2 space-top1 center small'>
+    Code coverage generated by
+    <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
+    at 2024-08-07T16:05:11.081Z
+  </div>
+  <script src="../../prettify.js"></script>
+  <script>
+    window.onload = function () {
+      prettyPrint();
+    };
+  </script>
+  <script src="../../sorter.js"></script>
+  <script src="../../block-navigation.js"></script>
+</body>
 
-                <div class='push'></div><!-- for sticky footer -->
-            </div><!-- /wrapper -->
-            <div class='footer quiet pad2 space-top1 center small'>
-                Code coverage generated by
-                <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2024-08-07T16:05:11.081Z
-            </div>
-        <script src="../../prettify.js"></script>
-        <script>
-            window.onload = function () {
-                prettyPrint();
-            };
-        </script>
-        <script src="../../sorter.js"></script>
-        <script src="../../block-navigation.js"></script>
-    </body>
-</html>
-    
\ No newline at end of file
+</html>
\ No newline at end of file
diff --git a/models/Chat.js b/models/Chat.js
index 46ad9bb5a6ceac9fb4485ec80afc36b1fa116a10..cb5d3d278a8aaba897d89daba9a6f435d2099b9f 100644
--- a/models/Chat.js
+++ b/models/Chat.js
@@ -60,7 +60,7 @@ ChatSchema.pre('save', async function (next) {
 ChatSchema.pre('find', function (next) {
   // set default sort
   if (typeof this.options.sort === 'undefined') {
-    this.options.sort = { createdAt: 1 };
+    this.options.sort = { createdAt: -1 };
   }
   next();
 });
diff --git a/utils/handleAI.js b/utils/handleAI.js
index a4c1c124282275734e82ada17f12b7721371608c..6e77fbfae4f033461a0d60d5ef71411507462932 100644
--- a/utils/handleAI.js
+++ b/utils/handleAI.js
@@ -189,16 +189,13 @@ export const chat = async (req, res, next) => {
       // if history given 
       if (invokeInput.chat_history.length > 0) {
         // input into contextualized question
-        console.log('contextualizing input');
         return contextualizeQChain;
       }
       // simply return input if no history given
-      console.log('keeping input as is');
       return invokeInput.input;
     }
   }).assign({
     docs: async (invokeInput) => {
-      console.log('question', invokeInput.question);
       // fetch question related docs from retriever
       return await retriever.invoke(invokeInput.question);
     }