The Chinese startup says DeepSeq-V4-Pro outperforms all rival open models for mathematics and coding.
Published on 24 April 2026
China’s DeepSeek has unveiled the latest version of its signature artificial intelligence-powered chatbot, with its flagship model shaking up the global tech landscape.
The Chinese start-up on Friday launched preview versions of DeepSeek-v4-Pro and DeepSeek-v4-Flash, as it demonstrated its ability to go head-to-head with US rivals like OpenAI and Google.
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The “Pro” version outperforms all rival open models for mathematics and coding, and is behind only Google’s Gemini 3.1-Pro for world knowledge, DeepSeek said in an announcement on social media.
The “Flash” model has the same logic capabilities as the “Pro” version, while offering faster response times and more cost-effective pricing, the Hangzhou-based startup said.
The release comes after DeepSeek-R1 surprised the tech sector when it launched in January last year with capabilities comparable to those of ChatGPT and Gemini.
Marc Andreessen, a prominent Silicon Valley venture capitalist with close ties to United States President Donald Trump, called the model’s release “AI’s Sputnik moment” at the time.
The performance of the Chinese-developed model attracted particular attention as its developers claimed to have spent less than $6 million on computing costs – a fraction of the billion-dollar budgets typical in Silicon Valley.
DeepSeek’s arrival in some countries also came as a shock amid concerns about data security and Chinese government censorship.
Several US states, Australia, Taiwan, South Korea, Denmark, and Italy banned or imposed other restrictions on DeepSeq-R1 soon after its release, citing privacy and national security concerns.
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