China's DeepSeek updates V3 model in challenge to OpenAI's GPT-4.5

Version improves on predecessor and outperforms U.S. rival in some tasks

20250326 Deepseek

DeepSeek, symbolic of Chinese AI ingenuity, has helped the Hang Seng Tech Index surge around 25% since the start of 2025. © Reuters

CISSY ZHOU

HONG KONG -- Chinese AI startup DeepSeek quietly released an update to its V3 large language model on Tuesday evening, significantly enhancing its reasoning capabilities and further escalating competition with U.S. rival OpenAI.

Dubbed DeepSeek-V3-0324, the updated model has improved significantly over its predecessor, especially in advanced math and coding, according to the company's post on Hugging Face, a U.S. open-source AI community.

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