diff --git a/src/mistralai/client/agents.py b/src/mistralai/client/agents.py
index 12e7f483..d3b1bc5e 100644
--- a/src/mistralai/client/agents.py
+++ b/src/mistralai/client/agents.py
@@ -462,11 +462,13 @@ def stream(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
@@ -656,11 +658,13 @@ async def stream_async(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
diff --git a/src/mistralai/client/chat.py b/src/mistralai/client/chat.py
index c7ff5704..d8f62880 100644
--- a/src/mistralai/client/chat.py
+++ b/src/mistralai/client/chat.py
@@ -571,11 +571,13 @@ def stream(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
@@ -774,11 +776,13 @@ async def stream_async(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
diff --git a/src/mistralai/client/fim.py b/src/mistralai/client/fim.py
index b4504370..3e05def2 100644
--- a/src/mistralai/client/fim.py
+++ b/src/mistralai/client/fim.py
@@ -329,11 +329,13 @@ def stream(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
@@ -471,11 +473,13 @@ async def stream_async(
         """
         base_url = None
         url_variables = None
+        if timeout_ms is None:
+            timeout_ms = self.sdk_configuration.stream_timeout_ms
         if timeout_ms is None:
             timeout_ms = self.sdk_configuration.timeout_ms
 
         if timeout_ms is None:
-            timeout_ms = 300000
+            timeout_ms = 20000
 
         if server_url is not None:
             base_url = server_url
diff --git a/src/mistralai/client/sdk.py b/src/mistralai/client/sdk.py
index 9b7eb230..b2e2961a 100644
--- a/src/mistralai/client/sdk.py
+++ b/src/mistralai/client/sdk.py
@@ -81,6 +81,7 @@ def __init__(
         async_client: Optional[AsyncHttpClient] = None,
         retry_config: OptionalNullable[RetryConfig] = UNSET,
         timeout_ms: Optional[int] = None,
+        stream_timeout_ms: Optional[int] = None,
         debug_logger: Optional[Logger] = None,
     ) -> None:
         r"""Instantiates the SDK configuring it with the provided parameters.
@@ -93,6 +94,7 @@ def __init__(
         :param async_client: The Async HTTP client to use for all asynchronous methods
         :param retry_config: The retry configuration to use for all supported methods
         :param timeout_ms: Optional request timeout applied to each operation in milliseconds
+        :param stream_timeout_ms: Optional idle-read timeout for SSE streaming operations in milliseconds (default 20 000 ms). Overrides timeout_ms for streaming calls only.
         """
         client_supplied = True
         if client is None:
@@ -140,6 +142,7 @@ def __init__(
                 server=server,
                 retry_config=retry_config,
                 timeout_ms=timeout_ms,
+                stream_timeout_ms=stream_timeout_ms,
                 debug_logger=debug_logger,
             ),
             parent_ref=self,
diff --git a/src/mistralai/client/sdkconfiguration.py b/src/mistralai/client/sdkconfiguration.py
index 999e2717..87c35cb8 100644
--- a/src/mistralai/client/sdkconfiguration.py
+++ b/src/mistralai/client/sdkconfiguration.py
@@ -47,6 +47,7 @@ class SDKConfiguration:
     user_agent: str = __user_agent__
     retry_config: OptionalNullable[RetryConfig] = Field(default_factory=lambda: UNSET)
     timeout_ms: Optional[int] = None
+    stream_timeout_ms: Optional[int] = None
 
     def get_server_details(self) -> Tuple[str, Dict[str, str]]:
         if self.server_url is not None and self.server_url: