Even the news orgs say explicitly in the press releases that it's about training on their archive
eg. http://ap.org/media-center/press-releases/2023/ap-open-ai-ag...
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edit, examples:
Wiley https://newsroom.wiley.com/press-releases/press-release-deta...
Shutterstock https://investor.shutterstock.com/news-releases/news-release...
Axel Springer https://openai.com/index/axel-springer-partnership
Stack Overflow: https://stackoverflow.co/partnerships
Disney (for characters in video. Video is especially where licensing is a big difference internationally right now) https://openai.com/index/disney-sora-agreement
etc.
The news corp one had a leaked price ($250mill), so they don't seem to be insignificant. These would have to be included in API prices I presume.