diff --git a/backend/open_webui/main.py b/backend/open_webui/main.py
index fb558cfe63..6cf038e314 100644
--- a/backend/open_webui/main.py
+++ b/backend/open_webui/main.py
@@ -264,7 +264,7 @@ from open_webui.utils.oauth import (
 from open_webui.utils.plugin import install_tool_and_function_dependencies
 from open_webui.utils.redis import get_redis_client
 from open_webui.utils.security_headers import SecurityHeadersMiddleware
-from open_webui.utils.session_pool import cleanup_response, get_session, stream_wrapper
+from open_webui.utils.session_pool import cleanup_response, get_client_timeout, get_session, stream_wrapper
 from open_webui.utils.tools import set_terminal_servers, set_tool_servers
 
 if SAFE_MODE:
@@ -1864,7 +1864,7 @@ async def passthrough_anthropic_messages(request: Request, form_data: dict, user
             headers=headers,
             cookies=cookies,
             ssl=AIOHTTP_CLIENT_SESSION_SSL,
-            timeout=aiohttp.ClientTimeout(total=openai.AIOHTTP_CLIENT_TIMEOUT),
+            timeout=get_client_timeout(stream=bool(payload.get('stream'))),
         )
 
         if 'text/event-stream' in response.headers.get('Content-Type', ''):