diff --git a/aider/models.py b/aider/models.py
index 97629ed82..a1ad12a83 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -94,6 +94,7 @@ MODEL_ALIASES = {
     "gemini-2.5-pro": "gemini/gemini-2.5-pro-exp-03-25",
     "gemini": "gemini/gemini-2.5-pro-preview-03-25",
     "gemini-exp": "gemini/gemini-2.5-pro-exp-03-25",
+    "grok3": "xai/groq-3-beta",
 }
 # Model metadata loaded from resources and user's files.