This is the ebook about DeepSeek. DeepSeek is a Chinese artificial intelligence company specializing in large language models (LLMs) and AI-powered applications. Founded on July 17, 2023, by Liang Wenfeng, it operates under the name Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd., with headquarters in Hangzhou, Zhejiang, China. The company is funded by High-Flyer, a hedge fund co-founded by Wenfeng. Key Features and Achievements - Language Models: DeepSeek develops high-performance LLMs, including its flagship DeepSeek-R1 and DeepSeek-V3 models. The latter features 671 billion total parameters with 37 billion activated per token.Cost Efficiency: DeepSeek's training costs are significantly lower than competitors like OpenAI's GPT-4. For instance, its V3 model was trained for just $6 million using innovative techniques such as a mixture of experts (MoE) layers and less powerful AI chips. Open Source: The company offers open-weight models under the MIT License, allowing access to its parameters while maintaining some usage restrictions.Impact on AI Industry: DeepSeek has disrupted the AI sector by delivering comparable performance to leading models at a fraction of the cost. Its success has reportedly caused Nvidia's stock value to drop sharply, highlighting its influence on global AI hardware markets.Global Presence - DeepSeek launched its chatbot app in the United States on January 10, 2025. The app quickly gained popularity, topping free app charts on Apple's store. It is praised for its affordability and functionality compared to other AI assistants.