You'll have seen the Anthropic Super Bowl ad.
I did a quick data scrape of this FT article.

Main bits:
'I would just disclose, as a personal bias, that I hate ads, they would be like a last resort for us as a business model. Advertising had its place as a way for the early internet to make money...'but i think they sort of somewhat fundamentally misalign a user's incentives with the company providing the service'
That was Sam Altman in 2024.
OpenAI has asked advertisers to commit an initial £200k in order to appear in ChatGPT results. The
