fix(ai): vision FAQ (#3966)

* fix(ai): vision FAQ

* Update ai-data/generative-apis/how-to/query-vision-models.mdx

---------

Co-authored-by: Benedikt Rollik <[email protected]>

Author: tgenaitay

ai-data/generative-apis/how-to/query-vision-models.mdx

@@ -236,3 +236,11 @@ async def main():
 
 asyncio.run(main())
 ```
+
+## Frequently Asked Questions
+
+#### Is there a limit to the size of each image?
+The only limitation is in context window (1 token for each 16x16 pixel).
+
+#### What is the maximum amount of images per conversation?
+Each conversation can handle up to 12 images (per request). Attempting to add a 13th image will result in a 400 Bad Request error.