DeepSeek Says It Will Limit User Registration After ‘Large-Scale Malicious’ Attacks

The AI chatbot reportedly topped OpenAI’s ChatGPT as most-downloaded free app on Apple’s app store last week.

The DeepSeek app on an iPhone screen in San Anselmo, Calif., on Jan. 27, 2025. Justin Sullivan/Getty Images

Chinese artificial intelligence (AI) app DeepSeek said on Monday that it would temporarily limit user registrations due to “large-scale malicious attacks” targeting its services.

DeepSeek reported a “major outage” affecting its application programming interface (API) and user logins on Monday.