Using gpt-4o, what size are large images resized to

[_j]

I would not rotate an image, unless you are orienting it correctly.

The operations performed are the same regardless of portrait or aspect ratio being sent.

Here’s my retelling of the documentation:

Reading videos with GPT4V

https://platform.openai.com/docs/guides/vision/calculating-costs The image you send is first downsized so that the longest dimension is 2048 or under. The image is again downsized so the shortest dimension is 768 or under. Then a tile grid is split over that image … tiles which are 512x512. This means that a “photo grid” like is shown in the first image at 910x910 would be downsized to 768x768. That takes up the area of four tiles, with 25% of the resulting 1024x1024 grid unused (or overlappe…