Key takeaways DeepSeek's R1 chatbot surpassed ChatGPT to become the most downloaded free app on Apple's U.S. App Store within days of its January 2025 release. The Chinese startup claims its model cos...
Chinese AI startup DeepSeek made a dramatic entrance into the consumer market on January 20, 2025, when it launched its free chatbot application powered by its R1 reasoning model.
Within one week, the app dethroned ChatGPT as the most downloaded free application on Apple's U.S. App Store, marking an unprecedented achievement for a Chinese AI company in the American market.
The Hangzhou-based company, founded in July 2023 by Liang Wenfeng, released its models under the MIT License, making them freely available for commercial and academic use.
This open-source approach stands in stark contrast to the proprietary models offered by American giants like OpenAI and Anthropic.
DeepSeek claims its R1 model matches or exceeds the performance of OpenAI's o1 on key benchmarks, including AIME 2024, MATH-500, and SWE-bench Verified.
The company reported training costs of just $5.6 million—a fraction of the estimated $100 million OpenAI spent developing GPT-4.
"We didn't intend to be a disruptor—it just happened accidentally," Liang Wenfeng told Chinese media outlet An Yong in an interview. "We were simply following our own pace, calculating costs, and setting prices accordingly."
The launch sent shockwaves through global financial markets.
On January 27, 2025, Nvidia's stock plummeted 17 to 18 percent, erasing nearly $600 billion in market capitalization—the largest single-day loss for any company in U.S. stock market history.
Prominent tech investor Marc Andreessen called the development "one of the most amazing and impressive breakthroughs I've ever seen—and as open source, a profound gift to the world," in a post on X on January 26, 2025.
Meta's Chief AI Scientist Yann LeCun offered a different interpretation. "To people who see the performance of DeepSeek and think: 'China is surpassing the US in AI.' You are reading this wrong," LeCun wrote on LinkedIn.
"The correct reading is: 'Open source models are surpassing proprietary ones.' DeepSeek has profited from open research and open source. They came up with new ideas and built them on top of other people's work."
Nvidia CEO Jensen Huang later pushed back against market pessimism. "I think the market responded to R1, as in, 'Oh my gosh. AI is finished,'" Huang told DataDirect Networks CEO Alex Bouzari in a February interview. "It's exactly the opposite. It's the complete opposite."
Perplexity AI founder Aravind Srinivas praised DeepSeek's innovation in an interview with CNBC. "Usually the myth is that Chinese are just good at copying," Srinivas said. "The point is it's changing. It's not like China is a copycat—they are also innovating."
DeepSeek's success has raised fundamental questions about the future of AI development and the effectiveness of U.S. export controls on advanced chips. The company achieved its results despite restrictions that prevented it from accessing cutting-edge Nvidia hardware.
"Money has never been the problem for us. Bans on shipments of advanced chips are the problem," Liang told an interviewer in mid-2024, as reported by Foreign Policy.
Xiaomeng Lu, director of Eurasia Group's geo-technology practice, told CNBC that the breakthrough signals a possible shift in industry dynamics.
"The takeaway is that there are many possibilities to develop this industry," Lu said. "The high-end chip/capital-intensive way is one technological approach. But DeepSeek proves we are still in the nascent stage of AI development and the path established by OpenAI may not be the only route to highly capable AI."
Liang has articulated a broader mission beyond commercial success. "Because we believe the most important thing right now is to participate in global innovation," he explained when asked why DeepSeek focuses on research rather than applications. "For years, Chinese companies have been accustomed to leveraging technological innovations developed elsewhere and monetizing them through applications. But this isn't sustainable."
Despite its popularity, DeepSeek has faced mounting security and privacy concerns from governments worldwide. By early February 2025, several nations and organizations had imposed restrictions on the application.
Taiwan banned DeepSeek from all government agencies on January 27, with the Ministry of Digital Affairs warning that its use could "endanger national information security." Texas Governor Greg Abbott prohibited its use on government-issued devices the following day. NASA and the U.S. Navy subsequently issued internal bans citing data vulnerabilities.
The application is also subject to Chinese internet regulations that require its responses to align with official positions.
Users have reported that the chatbot will not answer questions about sensitive political topics such as the Tiananmen Square protests or Taiwan's autonomy.
OpenAI wrote to the U.S. Office of Science and Technology Policy in March 2025, raising concerns that DeepSeek could manipulate responses to cause harm.
The company has also announced it is investigating whether DeepSeek used OpenAI's data to train its models, which would violate OpenAI's terms of service.
As the AI race intensifies, DeepSeek's launch has demonstrated that breakthrough performance can come from unexpected quarters.
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