What changed on the AI ad platforms and on this site, newest first. Platform entries link to the source.
November 2026
- 13 Nov 2026 — site launched. ChatGPT ads agencies, AI search advertising agencies, Perplexity ads agencies, ChatGPT ads cost, ChatGPT Ads, Perplexity ads, ads vs organic AI visibility, can you buy ads in ChatGPT, methodology. Agency and platform facts checked 13 Nov 2026; 27 agencies listed that sell AI-assistant ads.
- 9–10 Nov 2026 — Google expanded ads in AI Mode to 10 more English-language countries and launched ads on follow-up questions in the US, reported by Search Engine Journal; other outlets tie the expansion to Google's 28 Oct 2026 earnings call.
October 2026
- 21 Oct 2026 — OpenAI extended ChatGPT ads to 26 more countries, 89 in total (OpenAI).
September 2026
- 23 Sep 2026 — OpenAI launched ChatGPT ads in Southeast Asia and Taiwan and named dentsu, Havas Media, Omnicom Media, Publicis Groupe and WPP as agency partners (OpenAI).
May 2026
- 5 May 2026 — OpenAI opened a self-serve Ads Manager beta for US advertisers, added cost-per-click bidding and named its first agency and technology partners (OpenAI).
March 2026
- 25 Mar 2026 — Amazon made Sponsored Products and Sponsored Brands prompts in its shopping assistant generally available in the US (Amazon Ads).
February 2026
- 9 Feb 2026 — OpenAI began testing ads in ChatGPT in the US for logged-in adults on the Free and Go tiers (OpenAI).
- 18–19 Feb 2026 — Perplexity executives said the company had begun phasing out ads in late 2025, as reported by Semafor.
October 2025
- Oct 2025 — Perplexity stopped accepting new advertisers, as reported by MediaPost.