diff --git a/tests/test_google_thinking_level.py b/tests/test_google_thinking_level.py
index e711c2aab..1bcd51e27 100644
--- a/tests/test_google_thinking_level.py
+++ b/tests/test_google_thinking_level.py
@@ -60,3 +60,11 @@ def test_no_thinking_level_is_omitted():
     kw = _captured_kwargs("gemini-3.5-flash")
     assert "thinking_level" not in kw
     assert "thinking_budget" not in kw
+
+
+@pytest.mark.unit
+def test_a_gemini_call_times_out_like_the_other_providers():
+    """The OpenAI and Anthropic SDKs give up after 600s; Gemini's waits forever
+    unless told otherwise, so a stalled call would hang the run (#1417)."""
+    assert _captured_kwargs("gemini-3.5-flash")["timeout"] == 600
+    assert _captured_kwargs("gemini-3.5-flash", timeout=30)["timeout"] == 30
diff --git a/tradingagents/llm_clients/google_client.py b/tradingagents/llm_clients/google_client.py
index 134baf556..78bd27baa 100644
--- a/tradingagents/llm_clients/google_client.py
+++ b/tradingagents/llm_clients/google_client.py
@@ -31,6 +31,10 @@ class NormalizedChatGoogleGenerativeAI(ChatGoogleGenerativeAI):
         return normalize_content(super().invoke(input, config, **kwargs))
 
 
+# The read timeout the OpenAI and Anthropic SDKs use by default.
+REQUEST_TIMEOUT_SECONDS = 600
+
+
 class GoogleClient(BaseLLMClient):
     """Client for Google Gemini models."""
 
@@ -49,6 +53,9 @@ class GoogleClient(BaseLLMClient):
                     "callbacks", "http_client", "http_async_client"):
             if key in self.kwargs:
                 llm_kwargs[key] = self.kwargs[key]
+        # Without a timeout a stalled Gemini call waits forever; the OpenAI and
+        # Anthropic SDKs give up after the same 600 seconds (#1417).
+        llm_kwargs.setdefault("timeout", REQUEST_TIMEOUT_SECONDS)
 
         # Unified api_key maps to provider-specific google_api_key
         google_api_key = self.kwargs.get("api_key") or self.kwargs.get("google_api_key")