diff --git a/packages/proxy/schema/index.ts b/packages/proxy/schema/index.ts
index 464a3820..8e630d8c 100644
--- a/packages/proxy/schema/index.ts
+++ b/packages/proxy/schema/index.ts
@@ -590,6 +590,7 @@ export const AvailableEndpointTypes: { [name: string]: ModelEndpointType[] } = {
   "grok-2-1212": ["xAI"],
   "grok-vision-beta": ["xAI"],
   "grok-beta": ["xAI"],
+  "grok-4.20-multi-agent-0309": ["xAI"],
   "grok-4.20-0309-non-reasoning": ["xAI"],
   "accounts/fireworks/models/deepseek-v4-flash": ["fireworks"],
   "accounts/fireworks/models/glm-5": ["fireworks"],
diff --git a/packages/proxy/schema/model_list.json b/packages/proxy/schema/model_list.json
index 57d7b976..2934b17e 100644
--- a/packages/proxy/schema/model_list.json
+++ b/packages/proxy/schema/model_list.json
@@ -7322,6 +7322,19 @@
       "xAI"
     ]
   },
+  "grok-4.20-multi-agent-0309": {
+    "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,
+    "reasoning": true,
+    "max_input_tokens": 1000000,
+    "available_providers": [
+      "xAI"
+    ]
+  },
   "amazon.nova-pro-v1:0": {
     "format": "converse",
     "flavor": "chat",