diff --git a/components/settings/components/model-selection-form.tsx b/components/settings/components/model-selection-form.tsx
index bc6164ba..edfbddc6 100644
--- a/components/settings/components/model-selection-form.tsx
+++ b/components/settings/components/model-selection-form.tsx
@@ -35,13 +35,21 @@ const models = [
     badgeVariant: "default" as const,
   },
   {
-    id: "Grok 4.2",
-    name: "Grok 4.2",
-    description: "The latest from xAI, pushing the boundaries of reasoning and problem-solving.",
+    id: "Grok 4.3",
+    name: "Grok 4.3",
+    description: "The latest from xAI, featuring enhanced reasoning and real-time knowledge.",
     icon: Rocket,
     badge: "New",
     badgeVariant: "secondary" as const,
   },
+  {
+    id: "Grok 4.2",
+    name: "Grok 4.2",
+    description: "Reliable reasoning model from xAI, pushing the boundaries of problem-solving.",
+    icon: Rocket,
+    badge: "Stable",
+    badgeVariant: "outline" as const,
+  },
   {
     id: "Gemini 3.1 Pro",
     name: "Gemini 3.1 Pro",
diff --git a/lib/utils/index.ts b/lib/utils/index.ts
index 15565281..ac48c8f1 100644
--- a/lib/utils/index.ts
+++ b/lib/utils/index.ts
@@ -34,6 +34,22 @@ export async function getModel(requireVision: boolean = false) {
 
   if (selectedModel) {
     switch (selectedModel) {
+      case 'Grok 4.3':
+        if (xaiApiKey) {
+          const xai = createXai({
+            apiKey: xaiApiKey,
+            baseURL: 'https://api.x.ai/v1',
+          });
+          try {
+            return xai('grok-latest');
+          } catch (error) {
+            console.error('Selected model "Grok 4.3" is configured but failed to initialize.', error);
+            throw new Error('Failed to initialize selected model.');
+          }
+        } else {
+            console.error('User selected "Grok 4.3" but XAI_API_KEY is not set.');
+            throw new Error('Selected model is not configured.');
+        }
       case 'Grok 4.2':
         if (xaiApiKey) {
           const xai = createXai({