Copybara import of the project:

BloodBoy21 · copybara-github · commit 847c8fd11adf · 2025-05-12T11:18:01.000-07:00
-- d481e06 by Alan B <alan@nerds.ai>: feat: 🚧 catch user transcription -- bba436b by Alan B <alan@nerds.ai>: feat: ✨ send user transcription event as llm_response -- ad2abf5 by Alan B <death1027@outlook.com>: style: 💄 update lint problems -- 744703c by Hangfei Lin <hangfeilin@gmail.com>: fix: set right order for input transcription -- 31a5d42 by Hangfei Lin <hangfeilin@gmail.com>: remove print -- 59e5d9c by Hangfei Lin <hangfeilin@gmail.com>: remove api version COPYBARA_INTEGRATE_REVIEW=google#590 from BloodBoy21:feat/api-version-vertex 1ed8552 PiperOrigin-RevId: 757840099
diff --git a/src/google/adk/models/google_llm.py b/src/google/adk/models/google_llm.py
@@ -174,9 +174,11 @@ def _tracking_headers(self) -> dict[str, str]:
   @cached_property
   def _live_api_client(self) -> Client:
     if self._api_backend == 'vertex':
+      #use beta version for vertex api
+      api_version = 'v1beta1'
       # use default api version for vertex
       return Client(
-          http_options=types.HttpOptions(headers=self._tracking_headers)
+          http_options=types.HttpOptions(headers=self._tracking_headers,api_version=api_version)
       )
     else:
       # use v1alpha for ml_dev
