Can you save on LLM tokens using images instead of text? (pagewatch.ai)

Does this mean we’ll finally get empirical proof for the aphorism “a picture is worth a thousand words”?

https://en.wikipedia.org/wiki/A_picture_is_worth_a_thousand_...

Why are completion tokens more with image prompts yet the text output was about the same?

In my experience, LLMs tend to take noticeably longer to process images than text.