diff --git a/moto/logs/models.py b/moto/logs/models.py
index ca1fdc4a..e105d4d1 100644
--- a/moto/logs/models.py
+++ b/moto/logs/models.py
@@ -242,7 +242,8 @@ class LogsBackend(BaseBackend):
         if next_token is None:
             next_token = 0
 
-        groups = sorted(group.to_describe_dict() for name, group in self.groups.items() if name.startswith(log_group_name_prefix))
+        groups = [group.to_describe_dict() for name, group in self.groups.items() if name.startswith(log_group_name_prefix)]
+        groups = sorted(groups, key=lambda x: x['creationTime'], reverse=True)
         groups_page = groups[next_token:next_token + limit]
 
         next_token += limit