diff --git a/packages/proxy/schema/index.ts b/packages/proxy/schema/index.ts
index 26c752ad..295704e9 100644
--- a/packages/proxy/schema/index.ts
+++ b/packages/proxy/schema/index.ts
@@ -271,6 +271,7 @@ export const AvailableEndpointTypes: { [name: string]: ModelEndpointType[] } = {
   "amazon.nova-pro-v1:0": ["bedrock"],
   "amazon.nova-lite-v1:0": ["bedrock"],
   "amazon.nova-micro-v1:0": ["bedrock"],
+  "grok-3": ["xAI"],
   "grok-2-vision": ["xAI"],
   "grok-2-vision-latest": ["xAI"],
   "grok-2-vision-1212": ["xAI"],
diff --git a/packages/proxy/schema/models.ts b/packages/proxy/schema/models.ts
index 5b35a00a..2739ea79 100644
--- a/packages/proxy/schema/models.ts
+++ b/packages/proxy/schema/models.ts
@@ -1625,6 +1625,14 @@ export const AvailableModels: { [name: string]: ModelSpec } = {
   },
 
   // XAI MODELS
+  "grok-3": {
+    format: "openai",
+    flavor: "chat",
+    input_cost_per_mil_tokens: 2,
+    output_cost_per_mil_tokens: 10,
+    multimodal: true,
+    displayName: "Grok 3",
+  },
   "grok-2-vision": {
     format: "openai",
     flavor: "chat",