diff --git a/public/instructions.md b/public/instructions.md
index 48c15f8..cee0bab 100644
--- a/public/instructions.md
+++ b/public/instructions.md
@@ -2,7 +2,7 @@
 
 ## You are **GPT-4**, an advanced *Large Language Model* trained by *OpenAI*
 
-- Knowledge cutoff: 2023-12
+- Knowledge cutoff: 2023-10
 - Current date: 2024-05
   - Image input capabilities: **Enabled**
 
diff --git a/public/portal.html b/public/portal.html
index 509362d..516fc81 100644
--- a/public/portal.html
+++ b/public/portal.html
@@ -26,6 +26,7 @@
         <button id="model-mistral-large" data-value="mistral-large-latest">Mistral Large</button>
         <button id="model-llama-70b" data-value="llama3-70b">Llama3 70b</button>
         <button id="model-gemini-1.5-pro" data-value="gemini-1.5-pro">Gemini-1.5 Pro</button>
+        <button id="model-gemini-1.5-flash" data-value="gemini-1.5-flash">Gemini-1.5 Flash</button>
         <button id="model-gemini-pro-vision" data-value="gemini-pro-vision">Gemini Pro Vision</button>
         <button id="model-llama-8b" data-value="Llama3-8b">Llama3 8b</button>
         <button id="model-mistral-small" data-value="mistral-small-latest">Mistral Small</button>
diff --git a/public/script.js b/public/script.js
index c2a89bc..adfbcc1 100644
--- a/public/script.js
+++ b/public/script.js
@@ -42,6 +42,7 @@ fetchConfig();
     "Gemini-Pro": "gemini-pro",
     "Gemini-Pro-Vision": "gemini-pro-vision",
     "Gemini-1.5-Pro": "gemini-1.5-pro",
+    "Gemini-1.5-Flash": "gemini-1.5-flash",
     "Gemini-Ultra": "gemini-1.0-ultra",
     "Claude-Opus": "claude-3-opus-20240229",
     "Claude-Sonnet": "claude-3-sonnet-20240229",
@@ -195,6 +196,7 @@ fetchConfig();
     "gemini-pro": "Gemini-Pro",
     "gemini-pro-vision": "Gemini-Pro-Vision",
     "gemini-1.5-pro": "Gemini-1.5-Pro",
+    "gemini-1.5-flash": "Gemini-1.5-Flash",
     "gemini-1.0-ultra": "Gemini-Ultra",
     "claude-3-opus-20240229": "Claude-Opus",
     "claude-3-sonnet-20240229": "Claude-Sonnet",
@@ -611,6 +613,7 @@ document.getElementById('model-gpt-3.5').addEventListener('mouseover', (event) =
 document.getElementById('model-gemini-pro').addEventListener('click', () => selectModel('gemini-pro'));
 document.getElementById('model-gemini-pro-vision').addEventListener('click', () => selectModel('gemini-pro-vision'));
 document.getElementById('model-gemini-1.5-pro').addEventListener('click', () => selectModel('gemini-1.5-pro'));
+document.getElementById('model-gemini-1.5-flash').addEventListener('click', () => selectModel('gemini-1.5-flash'));
 document.getElementById('model-gemini-ultra').addEventListener('click', () => selectModel('gemini-1.0-ultra'));
 
 // Event listeners for showing Gemini model descriptions on hover
diff --git a/server.js b/server.js
index e478264..e7976e5 100644
--- a/server.js
+++ b/server.js
@@ -463,7 +463,7 @@ let thread = null;
 let response = '';
 let initialize = true;
 let messages;
-let modelID = 'gpt-4-turbo';
+let modelID = 'gpt-4o';
 
 // Utility function to ensure Assistant and Thread initialization
 async function AssistantAndThread(modelID, systemMessage) {
@@ -841,7 +841,7 @@ if (!history && (!imageParts || imageParts.length === 0)) {
       }
 
       // Initialize the Google model for text-and-image input
-      const googleModel = genAI.getGenerativeModel({ model: 'gemini-pro-vision', generationConfig: defaultConfig, safetySettings });
+      const googleModel = genAI.getGenerativeModel({ model: model, generationConfig: defaultConfig, safetySettings });
 console.log(googleModel);
       // Convert image parts to the required format using the new function
       // Construct file paths from received filenames and convert image parts