feat(provider/google): add support for new Google image model aspect ratios and sizes (#12897)

felixarntz · web-flow · commit 1ece97a418f1 · 2026-02-26T18:23:02.000Z
## Background With the launch of Gemini 3.1 Image, a few new image aspect ratios and one new size were introduced. Reference from the source: googleapis/python-genai@8b2a4e0 ## Summary Adds the new image aspect ratios. ## Manual Verification Run the updated example. ## Checklist - [ ] Tests have been added / updated (for bug fixes / features) - [ ] Documentation has been added / updated (for bug fixes / features) - [x] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review) ## Future Work N/A ## Related Issues N/A
diff --git a/.changeset/friendly-onions-film.md b/.changeset/friendly-onions-film.md
@@ -0,0 +1,5 @@
+---
+'@ai-sdk/google': patch
+---
+
+feat(provider/google): add support for new Google image model aspect ratios and sizes
diff --git a/examples/ai-functions/src/generate-image/google/gemini-3-1-flash-image.ts b/examples/ai-functions/src/generate-image/google/gemini-3-1-flash-image.ts
@@ -1,4 +1,4 @@
-import { google } from '@ai-sdk/google';
+import { google, GoogleLanguageModelOptions } from '@ai-sdk/google';
 import { generateImage } from 'ai';
 import { run } from '../../lib/run';
 import { presentImages } from '../../lib/present-image';
@@ -7,6 +7,7 @@ run(async () => {
   const { images } = await generateImage({
     model: google.image('gemini-3.1-flash-image-preview'),
     prompt: 'A nano banana in a fancy restaurant',
+    aspectRatio: '4:1',
   });
 
   presentImages(images);
diff --git a/packages/google/src/google-generative-ai-options.ts b/packages/google/src/google-generative-ai-options.ts
@@ -181,9 +181,13 @@ export const googleLanguageModelOptions = lazySchema(() =>
               '9:16',
               '16:9',
               '21:9',
+              '1:8',
+              '8:1',
+              '1:4',
+              '4:1',
             ])
             .optional(),
-          imageSize: z.enum(['1K', '2K', '4K']).optional(),
+          imageSize: z.enum(['1K', '2K', '4K', '512']).optional(),
         })
         .optional(),
 

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@ai-sdk/google': patch
 +---
++
 +feat(provider/google): add support for new Google image model aspect ratios and sizes