diff --git a/hermes_cli/models.py b/hermes_cli/models.py
index d2d562a784..8b00cf5d10 100644
--- a/hermes_cli/models.py
+++ b/hermes_cli/models.py
@@ -61,6 +61,7 @@ OPENROUTER_MODELS: list[tuple[str, str]] = [
     ("z-ai/glm-5v-turbo",               ""),
     ("z-ai/glm-5-turbo",                ""),
     ("x-ai/grok-4.20",                  ""),
+    ("x-ai/grok-4.3",                   ""),
     ("nvidia/nemotron-3-super-120b-a12b",      ""),
     ("nvidia/nemotron-3-super-120b-a12b:free", "free"),
     ("arcee-ai/trinity-large-preview:free", "free"),
@@ -182,6 +183,7 @@ _PROVIDER_MODELS: dict[str, list[str]] = {
         "z-ai/glm-5v-turbo",
         "z-ai/glm-5-turbo",
         "x-ai/grok-4.20-beta",
+        "x-ai/grok-4.3",
         "nvidia/nemotron-3-super-120b-a12b",
         "arcee-ai/trinity-large-thinking",
         "openai/gpt-5.5-pro",
diff --git a/website/static/api/model-catalog.json b/website/static/api/model-catalog.json
index 31b6b3a9b1..18aefdd89b 100644
--- a/website/static/api/model-catalog.json
+++ b/website/static/api/model-catalog.json
@@ -1,6 +1,6 @@
 {
   "version": 1,
-  "updated_at": "2026-05-06T00:37:26Z",
+  "updated_at": "2026-05-06T02:14:51Z",
   "metadata": {
     "source": "hermes-agent repo",
     "docs": "https://hermes-agent.nousresearch.com/docs/reference/model-catalog"
@@ -128,6 +128,10 @@
           "id": "x-ai/grok-4.20",
           "description": ""
         },
+        {
+          "id": "x-ai/grok-4.3",
+          "description": ""
+        },
         {
           "id": "nvidia/nemotron-3-super-120b-a12b",
           "description": ""
@@ -242,6 +246,9 @@
         {
           "id": "x-ai/grok-4.20-beta"
         },
+        {
+          "id": "x-ai/grok-4.3"
+        },
         {
           "id": "nvidia/nemotron-3-super-120b-a12b"
         },