diff --git a/aider/models.py b/aider/models.py
index 498eb5c4d..a711065ee 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -90,6 +90,7 @@ MODEL_ALIASES = {
     "deepseek": "deepseek/deepseek-chat",
     "r1": "deepseek/deepseek-reasoner",
     "flash": "gemini/gemini-2.0-flash-exp",
+    "gemini-2.5-pro": "gemini/gemini-2.5-pro-exp-03-25",
 }
 # Model metadata loaded from resources and user's files.