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.

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.