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.

KEY TAKEAWAYS OpenAI said Wednesday that it is probing whether Chinese artificial intelligence startup DeepSeek improperly used its data to launch the low-cost model that spooked markets Monday.The comment by OpenAI follows a Bloomberg report that both OpenAI and its biggest backer Microsoft are investigating DeepSeek's model.

OpenAI says it has uncovered evidence that Chinese AI startup DeepSeek used its proprietary models to train a competing open-source

NVIDIA, the world's most valuable company until Monday, lost $600 billion of market value in a single day, the biggest in US stock history.

For the second time in the last month, a Chinese app has skyrocketed to the top spot in Apple’s App Store. The first was Xiaohongshu, or RedNote, which saw a sudden surge in downloads by United States users seeking an alternative to TikTok in anticipation of the ban on that app,

With a model that offers comparable performance at seemingly a fraction of the cost, the DeepSeek chatbot is causing a reckoning over American dominance in the tech industry. The U.S. has imposed sanctions on advanced chip sales to slow down progress in AI elsewhere.