Chinese tech startup DeepSeek released a model of its AI service that seemingly is on-par with U.S.-based competitors like ChatGPT, but required far-less computing power.

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.

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.

DeepSeek stunned the tech world with the release of its R1 "reasoning" model, matching or exceeding OpenAI's reasoning model for a fraction of the cost.

Global chip stocks slumped Monday on DeepSeek revealing it had developed AI models that nearly matched American rivals despite using inferior chips.

Technology stocks regained ground on Tuesday, a day after a low-cost Chinese AI model rattled markets, while traders rotated back into the dollar from safe-haven currencies. The tech rebound boosted Wall Street's main stock indices,

But no consensus on whether impact of Chinese AI start-up will hasten tech decoupling of the two economies or sow greater partnership The earthquake that struck US tech stocks this week over the advance of Chinese artificial intelligence start-up DeepSeek is sending shock waves beyond Wall Street and Silicon Valley,

A Chinese AI company called DeepSeek is sending a shock wave through Wall Street. Margaret Brennan explains. President Trump and Elon Musk, two powerful figures, were initially united for the cameras and the "greater good,