diff --git a/src/lemonade/tools/server/static/js/model-settings.js b/src/lemonade/tools/server/static/js/model-settings.js
index f8a2780d..97a18752 100644
--- a/src/lemonade/tools/server/static/js/model-settings.js
+++ b/src/lemonade/tools/server/static/js/model-settings.js
@@ -28,9 +28,11 @@ function loadModelSettings() {
     const topKInput = document.getElementById('setting-top-k');
     const topPInput = document.getElementById('setting-top-p');
     const repeatInput = document.getElementById('setting-repeat-penalty');
+    const thinkingCheckbox = document.getElementById('enable-thinking');  
+
     
     // Check if DOM elements exist
-    if (!tempInput || !topKInput || !topPInput || !repeatInput) {
+    if (!tempInput || !topKInput || !topPInput || !repeatInput || !thinkingCheckbox) {
         return;
     }
     
@@ -47,11 +49,18 @@ function loadModelSettings() {
     if (modelSettings.repeat_penalty !== undefined) {
         repeatInput.value = modelSettings.repeat_penalty;
     }
+    if (modelSettings.enable_thinking !== undefined) {
+    thinkingCheckbox.checked = modelSettings.enable_thinking;
+    
+    } else {
+    thinkingCheckbox.checked = true; // default to enabled
+    
+    }
 }
 
 // Auto-save model settings whenever inputs change
 function setupAutoSaveSettings() {
-    const inputs = ['setting-temperature', 'setting-top-k', 'setting-top-p', 'setting-repeat-penalty'];
+    const inputs = ['setting-temperature', 'setting-top-k', 'setting-top-p', 'setting-repeat-penalty', 'enable-thinking'];
     
     inputs.forEach(inputId => {
         const input = document.getElementById(inputId);
@@ -63,6 +72,12 @@ function setupAutoSaveSettings() {
                 updateModelSettings();
             });
         }
+        const thinkingCheckbox = document.getElementById('enable-thinking');
+        if (thinkingCheckbox) {
+            thinkingCheckbox.addEventListener('change', function() {
+                updateModelSettings();
+            });
+        }
     });
 }
 
@@ -72,9 +87,10 @@ function updateModelSettings() {
     const topKInput = document.getElementById('setting-top-k');
     const topPInput = document.getElementById('setting-top-p');
     const repeatInput = document.getElementById('setting-repeat-penalty');
+    const thinkingCheckbox = document.getElementById('enable-thinking');
     
     // Check if DOM elements exist (might not be available if DOM isn't ready)
-    if (!tempInput || !topKInput || !topPInput || !repeatInput) {
+    if (!tempInput || !topKInput || !topPInput || !repeatInput || !thinkingCheckbox) {
         return;
     }
     
@@ -93,6 +109,7 @@ function updateModelSettings() {
     if (repeatInput.value && repeatInput.value.trim() !== '') {
         modelSettings.repeat_penalty = parseFloat(repeatInput.value);
     }
+    modelSettings.enable_thinking = thinkingCheckbox.checked;
     
     // Save to localStorage
     localStorage.setItem('lemonade_model_settings', JSON.stringify(modelSettings));
@@ -107,6 +124,7 @@ function resetModelSettings() {
     document.getElementById('setting-top-k').value = '';
     document.getElementById('setting-top-p').value = '';
     document.getElementById('setting-repeat-penalty').value = '';
+    document.getElementById('enable-thinking').checked = true;
     
     localStorage.removeItem('lemonade_model_settings');
 }
@@ -135,6 +153,9 @@ function getCurrentModelSettings() {
     if (modelSettings.repeat_penalty !== undefined) {
         currentSettings.repeat_penalty = modelSettings.repeat_penalty;
     }
+    if (modelSettings.enable_thinking !== undefined) {
+        currentSettings.enable_thinking = modelSettings.enable_thinking;
+    }
     
     console.log('getCurrentModelSettings returning:', currentSettings);
     return currentSettings;
diff --git a/src/lemonade/tools/server/static/webapp.html b/src/lemonade/tools/server/static/webapp.html
index 38c3d46d..77f13fb2 100644
--- a/src/lemonade/tools/server/static/webapp.html
+++ b/src/lemonade/tools/server/static/webapp.html
@@ -140,6 +140,12 @@
                             <input type="number" id="setting-repeat-penalty" min="0.5" max="2" step="0.05" placeholder="default" />
                             <span class="setting-description">Penalty for repeating tokens (1 = no penalty, >1 = less repetition)</span>
                         </div>
+                       <div class="setting-field">
+                         <label for="enable-thinking">Enable Thinking:</label> 
+                         <input type="checkbox" id="enable-thinking"> 
+                         <br>
+                            <span class="setting-description">Determines whether hybrid reasoning models, such as Qwen3, will use thinking.</span> 
+                        </div>
                         <div class="setting-actions">
                             <button id="reset-settings-btn" class="reset-btn">Reset to Defaults</button>
                         </div>