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Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd., doing business as DeepSeek, is a Chinese artificial intelligence (AI) company that develops open weights large language models (LLMs). Based in Hangzhou, Zhejiang, DeepSeek is owned and funded by High-Flyer, a Chinese hedge fund. DeepSeek was founded in July 2023 by Liang Wenfeng, who serves as the CEO for both of the companies. The company launched an eponymous chatbot alongside its DeepSeek-R1 model in January 2025. DeepSeek-R1 provided responses comparable to other contemporary LLMs, such as OpenAI's GPT-4 and o1. Its training cost was reported to be lower than other LLMs. The company claims that it trained V3 for US$6 million, which was less than OpenAI's reported US$100 million cost for GPT-4 in 2023. DeepSeek also claimed that they were using approximately one-tenth the computing power consumed by Meta's comparable model, Llama 3.1. DeepSeek's success against larger and more established rivals has been described as "upending AI". DeepSeek's models are open-weight, meaning that the exact parameters are openly shared, but the training data is not openly licensed. Since the January 2025 debut of DeepSeek-R1, the company has made its new models available under free and open-source software licenses, like the MIT License. The company reportedly recruits AI researchers from top Chinese universities and hires from outside traditional computer science fields to broaden its models' knowledge and capabilities. DeepSeek is considered more closely linked to the defense industry of China, due to previous affiliations of its researchers, and its chatbot's non-combat role adoption by the People's Liberation Army since March 2025. R1 was geopolitically significant as a open-weight, cost-effective, and high-performing release. The company also trained its models during ongoing US semiconductor trade restrictions on China, using a fewer number of weaker export model chips via a mixture of experts approach. Observers like the New York Post and The Guardian described R1 as a Sputnik moment in threatening the proprietary-led US AI ecosystem, including Nvidia, which lost US$600 billion in market value, the largest single-company decline in US stock market history.

Article title : DeepSeek
"deepseek-ai/DeepSeek-Coder, DeepSeek, 27 January 2025, archived from the original on 27 January 2025, retrieved 27 January 2025 "deepseek-ai/deepseek-coder-5..."
Article title : DeepSeek (chatbot)
"chatbot services. Notably, DeepSeek has said that these new models will be released and made open source. On 30 April 2025, Deepseek released its math-focused..."
Article title : Liang Wenfeng
"investing". TechCrunch. Retrieved 23 February 2026. "DeepSeek-R1/DeepSeek_R1.pdf at main · deepseek-ai/DeepSeek-R1" (PDF). GitHub. Retrieved 28 January 2025...."
Article title : Reasoning model
"Relative Policy Optimization (GRPO). On January 25, 2025, DeepSeek added a feature to DeepSeek R1 that lets the model search the web while it reasons, making..."
Article title : Prompt injection
"Infosecurity Magazine reported that DeepSeek-R1, a large language model (LLM) developed by Chinese AI startup DeepSeek, exhibited vulnerabilities to direct..."
Article title : List of large language models
"Retrieved 2025-11-11. deepseek-ai/DeepSeek-V3, DeepSeek, 2024-12-26, retrieved 2024-12-26 Feng, Coco (25 March 2025). "DeepSeek wows coders with more..."
Article title : Mixture of experts
"January 2024). "DeepSeekMoE: Towards Ultimate Expert Specialization in Mixture-of-Experts Language Models". arXiv:2401.06066 [cs.CL]. DeepSeek-AI; Liu, Aixin;..."
Article title : High-Flyer
"location is in Hangzhou, Zhejiang. It is the founder and backer of AI firm DeepSeek. High-Flyer was founded in February 2016 by Liang Wenfeng and two of his..."
Article title : Six Little Dragons
"are an informal grouping of the tech startups Game Science, DeepSeek, Unitree Robotics, DEEP Robotics, BrainCo and Manycore Tech. All six were established..."
Article title : List of AI-assisted software development tools
"AI-powered IDE". TechCrunch. Retrieved May 20, 2026. "DeepSeek Coder: Let the Code Write Itself". GitHub. DeepSeek. Retrieved July 17, 2026. Knight, Will (March..."

deepseek-ai/DeepSeek-Coder, DeepSeek, 27 January 2025, archived from the original on 27 January 2025, retrieved 27 January 2025 "deepseek-ai/deepseek-coder-5

[source: wikipedia]