diff --git a/google/genai/_gaos/resources/interactions/__init__.py b/google/genai/_gaos/resources/interactions/__init__.py
index 5bdf1ef5e..f5de80186 100644
--- a/google/genai/_gaos/resources/interactions/__init__.py
+++ b/google/genai/_gaos/resources/interactions/__init__.py
@@ -97,6 +97,7 @@
 from ...types.interactions.toolchoiceconfig import ToolChoiceConfig
 from ...types.interactions.toolchoicetype import ToolChoiceType
 from ...types.interactions.transcriptionconfig import TranscriptionConfig
+from ...types.interactions.transcriptionmode import TranscriptionMode
 from ...types.interactions.urlcitation import URLCitation
 from ...types.interactions.urlcontextcallarguments import URLContextCallArguments
 from ...types.interactions.urlcontextcallstep import URLContextCallStep
@@ -201,6 +202,7 @@
     "ToolChoiceConfig",
     "ToolChoiceType",
     "TranscriptionConfig",
+    "TranscriptionMode",
     "URLCitation",
     "URLContextCallArguments",
     "URLContextCallStep",
diff --git a/google/genai/_gaos/types/interactions/__init__.py b/google/genai/_gaos/types/interactions/__init__.py
index 71bfd6481..c93129d00 100644
--- a/google/genai/_gaos/types/interactions/__init__.py
+++ b/google/genai/_gaos/types/interactions/__init__.py
@@ -366,6 +366,7 @@
     from .toolchoiceconfig import ToolChoiceConfig, ToolChoiceConfigParam
     from .toolchoicetype import ToolChoiceType
     from .transcriptionconfig import TranscriptionConfig, TranscriptionConfigParam
+    from .transcriptionmode import TranscriptionMode
     from .urlcitation import URLCitation, URLCitationParam
     from .urlcontext import URLContext, URLContextParam
     from .urlcontextcallarguments import (
@@ -732,6 +733,7 @@
     "ToolParam",
     "TranscriptionConfig",
     "TranscriptionConfigParam",
+    "TranscriptionMode",
     "Transform",
     "TransformParam",
     "URLCitation",
@@ -1117,6 +1119,7 @@
     "ToolChoiceType": ".toolchoicetype",
     "TranscriptionConfig": ".transcriptionconfig",
     "TranscriptionConfigParam": ".transcriptionconfig",
+    "TranscriptionMode": ".transcriptionmode",
     "URLCitation": ".urlcitation",
     "URLCitationParam": ".urlcitation",
     "URLContext": ".urlcontext",
diff --git a/google/genai/_gaos/types/interactions/transcriptionconfig.py b/google/genai/_gaos/types/interactions/transcriptionconfig.py
index f86a67495..99d9747d0 100644
--- a/google/genai/_gaos/types/interactions/transcriptionconfig.py
+++ b/google/genai/_gaos/types/interactions/transcriptionconfig.py
@@ -18,6 +18,7 @@
 
 from __future__ import annotations
 from .. import BaseModel, UNSET_SENTINEL
+from .transcriptionmode import TranscriptionMode
 import pydantic
 from pydantic import model_serializer
 from typing import List, Optional
@@ -39,6 +40,11 @@ class TranscriptionConfigParam(TypedDict):
     r"""Optional. BCP-47 language codes providing hints about the languages present in the
     audio. If omitted or empty, defaults to automatic language detection.
     """
+    mode: NotRequired[TranscriptionMode]
+    r"""Configures transcription mode. Supported values: `VERBATIM`, `SMART`. If
+    unspecified, defaults to `VERBATIM` transcription. Mutually exclusive with
+    `timestamp_granularities` and `diarization_mode`.
+    """
     timestamp_granularities: NotRequired[List[str]]
     r"""Optional. The granularity of timestamps to include in the transcription output.
     Supported values: \"word\". If empty, no timestamps are generated.
@@ -69,6 +75,12 @@ class TranscriptionConfig(BaseModel):
     audio. If omitted or empty, defaults to automatic language detection.
     """
 
+    mode: Optional[TranscriptionMode] = None
+    r"""Configures transcription mode. Supported values: `VERBATIM`, `SMART`. If
+    unspecified, defaults to `VERBATIM` transcription. Mutually exclusive with
+    `timestamp_granularities` and `diarization_mode`.
+    """
+
     timestamp_granularities: Optional[List[str]] = None
     r"""Optional. The granularity of timestamps to include in the transcription output.
     Supported values: \"word\". If empty, no timestamps are generated.
@@ -82,6 +94,7 @@ def serialize_model(self, handler):
                 "custom_vocabulary",
                 "diarization_mode",
                 "language_codes",
+                "mode",
                 "timestamp_granularities",
             ]
         )
diff --git a/google/genai/_gaos/types/interactions/transcriptionmode.py b/google/genai/_gaos/types/interactions/transcriptionmode.py
new file mode 100644
index 000000000..a78842a6e
--- /dev/null
+++ b/google/genai/_gaos/types/interactions/transcriptionmode.py
@@ -0,0 +1,34 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# pyformat: disable
+
+"""Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
+
+from __future__ import annotations
+from .. import UnrecognizedStr
+from typing import Literal, Union
+
+
+TranscriptionMode = Union[
+    Literal[
+        "verbatim",
+        "smart",
+    ],
+    UnrecognizedStr,
+]
+r"""Configures transcription mode. Supported values: `VERBATIM`, `SMART`. If
+unspecified, defaults to `VERBATIM` transcription. Mutually exclusive with
+`timestamp_granularities` and `diarization_mode`.
+"""