diff --git a/google/genai/_live_converters.py b/google/genai/_live_converters.py
index 54489055d..a8f25d7f5 100644
--- a/google/genai/_live_converters.py
+++ b/google/genai/_live_converters.py
@@ -973,11 +973,11 @@ def _LiveConnectConfig_to_mldev(
         ],
     )
 
-  if getv(from_object, ['stream_translation_config']) is not None:
+  if getv(from_object, ['streaming_translation_config']) is not None:
     setv(
         parent_object,
-        ['setup', 'generationConfig', 'streamTranslationConfig'],
-        getv(from_object, ['stream_translation_config']),
+        ['setup', 'generationConfig', 'streamingTranslationConfig'],
+        getv(from_object, ['streaming_translation_config']),
     )
 
   return to_object
@@ -1160,9 +1160,9 @@ def _LiveConnectConfig_to_vertex(
         [item for item in getv(from_object, ['safety_settings'])],
     )
 
-  if getv(from_object, ['stream_translation_config']) is not None:
+  if getv(from_object, ['streaming_translation_config']) is not None:
     raise ValueError(
-        'stream_translation_config parameter is only supported in Gemini'
+        'streaming_translation_config parameter is only supported in Gemini'
         ' Developer API mode, not in Gemini Enterprise Agent Platform mode.'
     )
 
diff --git a/google/genai/_tokens_converters.py b/google/genai/_tokens_converters.py
index a22306cfd..0a8ea2f37 100644
--- a/google/genai/_tokens_converters.py
+++ b/google/genai/_tokens_converters.py
@@ -474,11 +474,11 @@ def _LiveConnectConfig_to_mldev(
         ],
     )
 
-  if getv(from_object, ['stream_translation_config']) is not None:
+  if getv(from_object, ['streaming_translation_config']) is not None:
     setv(
         parent_object,
-        ['setup', 'generationConfig', 'streamTranslationConfig'],
-        getv(from_object, ['stream_translation_config']),
+        ['setup', 'generationConfig', 'streamingTranslationConfig'],
+        getv(from_object, ['streaming_translation_config']),
     )
 
   return to_object
diff --git a/google/genai/tests/live/test_live.py b/google/genai/tests/live/test_live.py
index 9298f2553..d029442ee 100644
--- a/google/genai/tests/live/test_live.py
+++ b/google/genai/tests/live/test_live.py
@@ -1612,12 +1612,12 @@ async def test_bidi_setup_to_api_with_transparent_session_resumption(vertexai):
 
 @pytest.mark.parametrize('vertexai', [True, False])
 @pytest.mark.asyncio
-async def test_bidi_setup_to_api_with_stream_translation_config(vertexai):
+async def test_bidi_setup_to_api_with_streaming_translation_config(vertexai):
   api_client = mock_api_client(vertexai=vertexai)
 
   # Test 1: Config defined using dict representation.
   config_dict = {
-      'stream_translation_config': {
+      'streaming_translation_config': {
           'echo_target_language': True,
           'target_language_code': 'es',
       },
@@ -1628,23 +1628,23 @@ async def test_bidi_setup_to_api_with_stream_translation_config(vertexai):
         api_client=api_client, model='test_model', config=config_dict
     )
 
+  expected_result = {
+      'setup': {
+          'model': 'models/test_model',
+          'generationConfig': {
+              'streamingTranslationConfig': {
+                  'echo_target_language': True,
+                  'target_language_code': 'es',
+              },
+          },
+      }
+  }
   if not vertexai:
-    expected_result = {
-        'setup': {
-            'model': 'models/test_model',
-            'generationConfig': {
-                'streamTranslationConfig': {
-                    'echo_target_language': True,
-                    'target_language_code': 'es',
-                },
-            },
-        }
-    }
     assert result == expected_result
 
   # Test 2: Config defined using types.LiveConnectConfig.
   config = types.LiveConnectConfig(
-      stream_translation_config=types.StreamTranslationConfig(
+      streaming_translation_config=types.StreamingTranslationConfig(
           echo_target_language=True,
           target_language_code='es',
       )
diff --git a/google/genai/types.py b/google/genai/types.py
index 9f846a74b..cc426d3d7 100644
--- a/google/genai/types.py
+++ b/google/genai/types.py
@@ -19794,7 +19794,7 @@ class RealtimeInputConfigDict(TypedDict, total=False):
 RealtimeInputConfigOrDict = Union[RealtimeInputConfig, RealtimeInputConfigDict]
 
 
-class StreamTranslationConfig(_common.BaseModel):
+class StreamingTranslationConfig(_common.BaseModel):
   """Config for stream translation."""
 
   echo_target_language: Optional[bool] = Field(
@@ -19810,7 +19810,7 @@ class StreamTranslationConfig(_common.BaseModel):
   )
 
 
-class StreamTranslationConfigDict(TypedDict, total=False):
+class StreamingTranslationConfigDict(TypedDict, total=False):
   """Config for stream translation."""
 
   echo_target_language: Optional[bool]
@@ -19823,8 +19823,8 @@ class StreamTranslationConfigDict(TypedDict, total=False):
       language codes (e.g. "en", "es", "fr")."""
 
 
-StreamTranslationConfigOrDict = Union[
-    StreamTranslationConfig, StreamTranslationConfigDict
+StreamingTranslationConfigOrDict = Union[
+    StreamingTranslationConfig, StreamingTranslationConfigDict
 ]
 
 
@@ -19966,8 +19966,8 @@ class LiveConnectConfig(_common.BaseModel):
       response.
       """,
   )
-  stream_translation_config: Optional[StreamTranslationConfig] = Field(
-      default=None, description="""Config for stream translation."""
+  streaming_translation_config: Optional[StreamingTranslationConfig] = Field(
+      default=None, description="""Config for streaming translation."""
   )
 
 
@@ -20087,8 +20087,8 @@ class LiveConnectConfigDict(TypedDict, total=False):
       response.
       """
 
-  stream_translation_config: Optional[StreamTranslationConfigDict]
-  """Config for stream translation."""
+  streaming_translation_config: Optional[StreamingTranslationConfigDict]
+  """Config for streaming translation."""
 
 
 LiveConnectConfigOrDict = Union[LiveConnectConfig, LiveConnectConfigDict]