diff --git a/packages/ai/src/types/enums.ts b/packages/ai/src/types/enums.ts
index cd7029df3b..3cc6b04955 100644
--- a/packages/ai/src/types/enums.ts
+++ b/packages/ai/src/types/enums.ts
@@ -238,7 +238,28 @@ export const FinishReason = {
   /**
    * The function call generated by the model was invalid.
    */
-  MALFORMED_FUNCTION_CALL: 'MALFORMED_FUNCTION_CALL'
+  MALFORMED_FUNCTION_CALL: 'MALFORMED_FUNCTION_CALL',
+  /**
+   * Image generation stopped due to safety settings.
+   */
+  IMAGE_SAFETY: 'IMAGE_SAFETY',
+  /**
+   * Image generation stopped because generated images has other prohibited
+   * content.
+   */
+  IMAGE_PROHIBITED_CONTENT: 'IMAGE_PROHIBITED_CONTENT',
+  /**
+   * Image generation stopped due to recitation.
+   */
+  IMAGE_RECITATION: 'IMAGE_RECITATION',
+  /**
+   * Image generation stopped because of other miscellaneous issue.
+   */
+  IMAGE_OTHER: 'IMAGE_OTHER',
+  /**
+   * The model was expected to generate an image, but none was generated.
+   */
+  NO_IMAGE: 'NO_IMAGE'
 } as const;
 
 /**
@@ -414,3 +435,72 @@ export const Language = {
  * @beta
  */
 export type Language = (typeof Language)[keyof typeof Language];
+
+/**
+ * Aspect ratios for generated images.
+ * @public
+ */
+export const AspectRatio = {
+  /**
+   * Square (1:1) aspect ratio.
+   */
+  'SQUARE_1x1': '1:1',
+  /**
+   * Portrait (2:3) aspect ratio.
+   */
+  'PORTRAIT_2x3': '2:3',
+  /**
+   * Landscape (3:2) aspect ratio.
+   */
+  'LANDSCAPE_3x2': '3:2',
+  /**
+   * Portrait (3:4) aspect ratio.
+   */
+  'PORTRAIT_3x4': '3:4',
+  /**
+   * Landscape (4:3) aspect ratio.
+   */
+  'LANDSCAPE_4x3': '4:3',
+  /**
+   * Portrait (4:5) aspect ratio.
+   */
+  'PORTRAIT_4x5': '4:5',
+  /**
+   * Landscape (5:4) aspect ratio.
+   */
+  'LANDSCAPE_5x4': '5:4',
+  /**
+   * Portrait (9:16) aspect ratio.
+   */
+  'PORTRAIT_9x16': '9:16',
+  /**
+   * Landscape (16:9) aspect ratio.
+   */
+  'LANDSCAPE_16x9': '16:9',
+  /**
+   * Landscape (21:9) aspect ratio.
+   */
+  'LANDSCAPE_21x9': '21:9'
+} as const;
+
+/**
+ * Aspect ratios for generated images.
+ * @public
+ */
+export type AspectRatio = (typeof AspectRatio)[keyof typeof AspectRatio];
+
+/**
+ * Specifies the size of generated images.
+ * @public
+ */
+export const ImageSize = {
+  'SIZE_1K': '1K',
+  'SIZE_2K': '2K',
+  'SIZE_4K': '4K',
+} as const;
+
+/**
+ * Specifies the size of generated images.
+ * @public
+ */
+export type ImageSize = (typeof ImageSize)[keyof typeof ImageSize];
diff --git a/packages/ai/src/types/requests.ts b/packages/ai/src/types/requests.ts
index 1e5fa36742..a7bfa2ed81 100644
--- a/packages/ai/src/types/requests.ts
+++ b/packages/ai/src/types/requests.ts
@@ -22,10 +22,12 @@ import {
   LanguageModelPromptOptions
 } from './language-model';
 import {
+  AspectRatio,
   FunctionCallingMode,
   HarmBlockMethod,
   HarmBlockThreshold,
   HarmCategory,
+  ImageSize,
   InferenceMode,
   ResponseModality
 } from './enums';
@@ -133,6 +135,12 @@ export interface GenerationConfig {
    * Configuration for "thinking" behavior of compatible Gemini models.
    */
   thinkingConfig?: ThinkingConfig;
+  /**
+   * Configuration for image generation.
+   *
+   * @beta
+   */
+  imageConfig?: ImageConfig;
 }
 
 /**
@@ -441,6 +449,22 @@ export interface ThinkingConfig {
   includeThoughts?: boolean;
 }
 
+/**
+ * Configuration for image generation.
+ * @public
+ */
+export interface ImageConfig {
+  /**
+   * The aspect ratio of the generated images.
+   */
+  aspectRatio?: AspectRatio;
+
+  /**
+   * The size of generated images..
+   */
+  imageSize?: ImageSize;
+}
+
 /**
  * Configuration for a pre-built voice.
  *