DeepSeek
On iOS, DeepSeek is currently the No. 1 free app in the U.S. App Store and 51 other countries
OpenAI's CEO Sam Altman called it an "impressive model"
Nvidia's value erased about $593 billion in stock market value
DeepSeek questions the need for data center investments, suggesting fewer centers may lower energy demand
DeepSeek used DeepSeek-V3-Base as the base model and employed GRPO as the RL framework to improve model performance in reasoning
