diff --git a/google/genai/_interactions/types/__init__.py b/google/genai/_interactions/types/__init__.py
index d7692034d..bd448df72 100644
--- a/google/genai/_interactions/types/__init__.py
+++ b/google/genai/_interactions/types/__init__.py
@@ -32,6 +32,7 @@
 from .tool_choice import ToolChoice as ToolChoice
 from .usage_param import UsageParam as UsageParam
 from .content_stop import ContentStop as ContentStop
+from .image_config import ImageConfig as ImageConfig
 from .text_content import TextContent as TextContent
 from .allowed_tools import AllowedTools as AllowedTools
 from .audio_content import AudioContent as AudioContent
@@ -54,6 +55,7 @@
 from .interaction_event import InteractionEvent as InteractionEvent
 from .tool_choice_param import ToolChoiceParam as ToolChoiceParam
 from .document_mime_type import DocumentMimeType as DocumentMimeType
+from .image_config_param import ImageConfigParam as ImageConfigParam
 from .text_content_param import TextContentParam as TextContentParam
 from .tool_choice_config import ToolChoiceConfig as ToolChoiceConfig
 from .url_context_result import URLContextResult as URLContextResult
diff --git a/google/genai/_interactions/types/generation_config.py b/google/genai/_interactions/types/generation_config.py
index 81ef67b62..06b5f39b4 100644
--- a/google/genai/_interactions/types/generation_config.py
+++ b/google/genai/_interactions/types/generation_config.py
@@ -20,6 +20,7 @@
 
 from .._models import BaseModel
 from .tool_choice import ToolChoice
+from .image_config import ImageConfig
 from .speech_config import SpeechConfig
 from .thinking_level import ThinkingLevel
 
@@ -29,6 +30,9 @@
 class GenerationConfig(BaseModel):
     """Configuration parameters for model interactions."""
 
+    image_config: Optional[ImageConfig] = None
+    """Configuration for image interaction."""
+
     max_output_tokens: Optional[int] = None
     """The maximum number of tokens to include in the response."""
 
diff --git a/google/genai/_interactions/types/generation_config_param.py b/google/genai/_interactions/types/generation_config_param.py
index 0f84fbf36..58b145aef 100644
--- a/google/genai/_interactions/types/generation_config_param.py
+++ b/google/genai/_interactions/types/generation_config_param.py
@@ -23,6 +23,7 @@
 from .._types import SequenceNotStr
 from .thinking_level import ThinkingLevel
 from .tool_choice_param import ToolChoiceParam
+from .image_config_param import ImageConfigParam
 from .speech_config_param import SpeechConfigParam
 
 __all__ = ["GenerationConfigParam"]
@@ -31,6 +32,9 @@
 class GenerationConfigParam(TypedDict, total=False):
     """Configuration parameters for model interactions."""
 
+    image_config: ImageConfigParam
+    """Configuration for image interaction."""
+
     max_output_tokens: int
     """The maximum number of tokens to include in the response."""
 
diff --git a/google/genai/_interactions/types/image_config.py b/google/genai/_interactions/types/image_config.py
new file mode 100644
index 000000000..17c9e26a0
--- /dev/null
+++ b/google/genai/_interactions/types/image_config.py
@@ -0,0 +1,31 @@
+# Copyright 2025 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.
+#
+
+# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+from typing import Optional
+from typing_extensions import Literal
+
+from .._models import BaseModel
+
+__all__ = ["ImageConfig"]
+
+
+class ImageConfig(BaseModel):
+    """The configuration for image interaction."""
+
+    aspect_ratio: Optional[Literal["1:1", "2:3", "3:2", "3:4", "4:3", "9:16", "16:9", "21:9"]] = None
+
+    image_size: Optional[Literal["1K", "2K", "4K"]] = None
diff --git a/google/genai/_interactions/types/image_config_param.py b/google/genai/_interactions/types/image_config_param.py
new file mode 100644
index 000000000..23174556b
--- /dev/null
+++ b/google/genai/_interactions/types/image_config_param.py
@@ -0,0 +1,30 @@
+# Copyright 2025 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.
+#
+
+# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+from __future__ import annotations
+
+from typing_extensions import Literal, TypedDict
+
+__all__ = ["ImageConfigParam"]
+
+
+class ImageConfigParam(TypedDict, total=False):
+    """The configuration for image interaction."""
+
+    aspect_ratio: Literal["1:1", "2:3", "3:2", "3:4", "4:3", "9:16", "16:9", "21:9"]
+
+    image_size: Literal["1K", "2K", "4K"]