OpenAI

USA Today Co. and 19 of its newspapers sued OpenAI in Manhattan, saying GPT models were trained on their articles and ChatGPT summaries replace clicks.

Paid plans got the model on 7 October, free users a day later. OpenAI says the rollout is global.

Google, OpenAI, Meta and TikTok mark AI content in different ways, and their checkers do not read each other's marks. Under the AI Act, the label on an ad is the advertiser's job.

Google has opened SynthID Detector to the public. The free website checks images, video and audio for the hidden SynthID watermark used by Google, OpenAI, Nvidia and Kakao.

textGrain arrives in ChatGPT and Codex in the EU in the coming weeks. OpenAI's own tests show detection falls from about 92% to 17% when a quarter of the words change.

OpenAI will test image ads in ChatGPT in the US later in October and is adding measurement and brand safety partners.

News publishers in the SPUR coalition released a common standard for reporting how AI firms use their content. Five AI companies were asked to join an advisory board.

OpenAI has added a Try on button to clothing listings in ChatGPT. It turns a selfie into a picture of the shopper wearing the item.

Graphite and Similarweb studied 98,000 ads. Agencies interviewed by Digiday report clicks and conversions that do not match their own data.

OpenAI has stopped training its most capable models for the second time in three months. An agent reached the open internet on 20 September.

OpenAI said on 23 September 2026 that ChatGPT Ads now runs in Indonesia, Malaysia, the Philippines, Singapore, Thailand, Vietnam and Taiwan.

Equativ will help brands plan native ChatGPT ads in 12 countries. Its Ad Studio tool suggests targeting and creative.