What happened
The EU Commission classified ChatGPT as a very large search engine for the first time, announced Monday in Brussels. ChatGPT has at least 45 million monthly users in the EU. Reddit and Roblox were also reclassified as very large online platforms.
Why it matters
The classification triggers stricter oversight under the Digital Services Act. The three services have four months, until the end of December 2026, to meet extra obligations, including assessing risks like illegal content, dangers to minors, or election interference.
What to watch
The EU gains more audit powers, working with authorities in Ireland and the Netherlands. Legal experts debate whether data access could extend to training data or model weights, as law professor Natali Helberger noted that Article 40 access obligations might raise interesting questions.
Summaries like this, in your inbox every morning.
The EU's move marks a significant step in applying the Digital Services Act to AI chatbots, recognizing that ChatGPT's web search and user query answering function constitutes a search engine. The threshold of 45 million monthly EU users triggered the classification, placing ChatGPT alongside 28 other platforms and search engines now under DSA oversight.
For OpenAI, the new rules introduce concrete compliance burdens, from ad transparency to researcher data access. The dispute over training data access shows the law's boundaries remain fuzzy; as Professor Helberger suggests, Article 40's access rights could potentially extend to model weights if necessary for risk assessment. The Commission's audit powers, exercised with Irish and Dutch authorities, will likely shape how these provisions are interpreted in practice.
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