diff --git a/src/Providers/OpenAI/Support/StructuredModeResolver.php b/src/Providers/OpenAI/Support/StructuredModeResolver.php
index 801ab53b..70020cd1 100644
--- a/src/Providers/OpenAI/Support/StructuredModeResolver.php
+++ b/src/Providers/OpenAI/Support/StructuredModeResolver.php
@@ -40,6 +40,8 @@ protected static function supportsStructuredMode(string $model): bool
             'gpt-5',
             'gpt-5-mini',
             'gpt-5-nano',
+            'gpt-5.1',
+            'gpt-5.2',
         ]);
     }