The messaging was rolled out on platforms such as X and META.O Facebook and Instagram, as well as Chinese services Toutiao and Weibo, Graphika said.

The tech-heavy Nasdaq composite closed down nearly 3% on Monday, with shares of AI-focused chipmaker Nvidia plunging 17% and shaving nearly $590 billion from the company’s market cap.

Tech stocks falling after small Chinese lab, DeepSeek, develops new AI model that challenges ChatGPT and Tesla; what to know.

Entrepreneur Marc Andreessen, known for co-writing Mosaic, one of the world’s first web browsers, wrote Sunday on X that “DeepSeek R1 is AI’s Sputnik moment,” likening it to the space race between the U.S. and the Soviet Union and the event that forced the U.S. to realize that its technological abilities were not unassailable.

A frenzy over an artificial intelligence chatbot made by Chinese tech startup DeepSeek was upending stock markets Monday and fueling debates over the economic and geopolitical competition between the U.

Here’s what you need to know about DeepSeek, the Chinese AI startup that rattled markets as its app dethroned OpenAI's as the most-downloaded free app in the U.S. on Apple.