Short answer
There is no blanket answer, and we deliberately do not resolve it here. Paragraph 1 of Article 50 addresses providers of AI systems, paragraph 4 addresses deployers; how that splits for embedded third-party software depends on the arrangement and is contested among lawyers. What is not contested is the location: the interaction happens on your website, and that is where the notice either appears or does not.
Why that is
Embedding someone else's software does not automatically put you in the same role as its maker. It does not make you a bystander either: your own branding, your own configuration and how far you adapted the tool all feed into the classification. Making that call for your specific setup would be a legal assessment of your individual case, which is precisely what this page does not do — see the note at the bottom. The more useful half of the answer survives anyway. The duty exists where the interaction happens. Whether it lands on you directly or passes to the vendor by contract changes nothing about whether the disclosure is present on your page. That part is measurable, and it is the part a competitor will look at.
What this means in practice
Two steps that hold whichever way the role question falls. First, read what your vendor's contract and product documentation say about AI Act obligations — that is also your starting point if you want to press them on it. Second, open the greeting message in your widget's admin area. In nearly every product it is yours to edit, which makes the disclosure a few minutes of work no matter who carries the duty. That asymmetry is why the role question rarely pays off in practice.
Check it on your own page
The check reports which widget is embedded and whether an AI disclosure was visible in the chat. Neither depends on the role question, and both are what an outside reviewer sees.
Run the free checkRelated questions
Legal note
This page provides general information on the EU AI Act — it is not legal advice and not a legal assessment of your individual situation (cf. German Federal Court of Justice, judgment of 9 September 2021, I ZR 113/20). It does not replace review by a lawyer. When in doubt, consult one.