diff --git a/packages/proxy/schema/index.ts b/packages/proxy/schema/index.ts
index 24a8c290..8e1cdceb 100644
--- a/packages/proxy/schema/index.ts
+++ b/packages/proxy/schema/index.ts
@@ -630,6 +630,7 @@ export const AvailableEndpointTypes: { [name: string]: ModelEndpointType[] } = {
   "accounts/fireworks/models/deepseek-v4-pro": ["fireworks"],
   "accounts/fireworks/models/minimax-m2p7": ["fireworks"],
   "grok-4.3": ["xAI"],
+  "grok-4.3-latest": ["xAI"],
   "mistral-large-2512": ["mistral"],
   "mistral-small-2603": ["mistral"],
   "codestral-2508": ["mistral"],
diff --git a/packages/proxy/schema/model_list.json b/packages/proxy/schema/model_list.json
index 6c9c4552..598c4e55 100644
--- a/packages/proxy/schema/model_list.json
+++ b/packages/proxy/schema/model_list.json
@@ -6853,6 +6853,35 @@
       "xAI"
     ]
   },
+  "grok-4.3": {
+    "format": "openai",
+    "flavor": "chat",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 1.25,
+    "output_cost_per_mil_tokens": 2.5,
+    "input_cache_read_cost_per_mil_tokens": 0.2,
+    "displayName": "Grok 4.3",
+    "max_input_tokens": 1000000,
+    "max_output_tokens": 1000000,
+    "available_providers": [
+      "xAI"
+    ]
+  },
+  "grok-4.3-latest": {
+    "format": "openai",
+    "flavor": "chat",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 1.25,
+    "output_cost_per_mil_tokens": 2.5,
+    "input_cache_read_cost_per_mil_tokens": 0.2,
+    "displayName": "Grok 4.3",
+    "reasoning": true,
+    "max_input_tokens": 1000000,
+    "max_output_tokens": 1000000,
+    "available_providers": [
+      "xAI"
+    ]
+  },
   "grok-4": {
     "format": "openai",
     "flavor": "chat",
@@ -7207,20 +7236,6 @@
       "xAI"
     ]
   },
-  "grok-4.3": {
-    "format": "openai",
-    "flavor": "chat",
-    "multimodal": true,
-    "input_cost_per_mil_tokens": 1.25,
-    "output_cost_per_mil_tokens": 2.5,
-    "input_cache_read_cost_per_mil_tokens": 0.2,
-    "displayName": "Grok 4.3",
-    "max_input_tokens": 1000000,
-    "max_output_tokens": 1000000,
-    "available_providers": [
-      "xAI"
-    ]
-  },
   "amazon.nova-pro-v1:0": {
     "format": "converse",
     "flavor": "chat",