Ice Cubes GPT-4 prompts. The Ice Cubes open source Mastodon app recently grew a very good "describe this image" feature to help people add alt text to their images. I had a dig around in their repo and it turns out they're using GPT-4 Vision for this (and regular GPT-4 for other features), passing the image with this prompt:
What’s in this image? Be brief, it's for image alt description on a social network. Don't write in the first person.
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