diff --git a/api/tests/test_containers_integration_tests/models/test_app_model_config.py b/api/tests/test_containers_integration_tests/models/test_app_model_config.py
new file mode 100644
index 0000000000..e8b36097e1
--- /dev/null
+++ b/api/tests/test_containers_integration_tests/models/test_app_model_config.py
@@ -0,0 +1,32 @@
+"""
+Integration tests for AppModelConfig using testcontainers.
+
+These tests validate database-backed model behavior without mocking SQLAlchemy queries.
+"""
+
+from uuid import uuid4
+
+from sqlalchemy.orm import Session
+
+from models.model import AppModelConfig
+
+
+class TestAppModelConfig:
+    """Integration tests for AppModelConfig."""
+
+    def test_annotation_reply_dict_disabled_without_setting(self, db_session_with_containers: Session) -> None:
+        """Return disabled annotation reply dict when no AppAnnotationSetting exists."""
+        # Arrange
+        config = AppModelConfig(app_id=str(uuid4()))
+        db_session_with_containers.add(config)
+        db_session_with_containers.commit()
+
+        # Act
+        result = config.annotation_reply_dict
+
+        # Assert
+        assert result == {"enabled": False}
+
+        # Cleanup
+        db_session_with_containers.delete(config)
+        db_session_with_containers.commit()