DeepSeek released DeepSeek-R1, an open-source Generative AI large language model built on the DeepSeek-V3 architecture. Matching the performance of OpenAI’s o1 model in math, coding, and reasoning tasks,
DeepSeek-R1 quickly gained widespread attention. Its strong capabilities and open-source accessibility contributed to its rapid adoption.
It soon became the most-downloaded free app on the iOS App Store in the United States surpassing even ChatGPT. The release marked a major milestone in the AI space, signaling a shift in user preference toward high-performing, openly available alternatives to proprietary models like those from OpenAI and Anthropic.