diff --git a/_layouts/default.html b/_layouts/default.html
index 346de1c..3817572 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -1093,6 +1093,7 @@
           <div class="site-description">
             <p class="platform-hint">Choose your AI platform</p>
             <div class="platform-pills">
+              <button class="platform-tag" data-platform="github-copilot" data-url="https://github.com/copilot">ChatGPT</button>
               <button class="platform-tag" data-platform="chatgpt" data-url="https://chat.openai.com">ChatGPT</button>
               <button class="platform-tag" data-platform="claude" data-url="https://claude.ai/new">Claude</button>
               <button class="platform-tag" data-platform="perplexity" data-url="https://perplexity.ai">Perplexity</button>
@@ -1756,6 +1757,9 @@
         let url;
 
         switch (platform.dataset.platform) {
+          case 'github-copilot':
+            url = `${baseUrl}?prompt=${encodeURIComponent(promptText)}`;
+            break;
           case 'chatgpt':
             url = `${baseUrl}?prompt=${encodeURIComponent(promptText)}`;
             break;