Chinese artificial intelligence start-up DeepSeek is rapidly expanding its new Harness team as it pushes itself into the booming AI agent market, joining the high-stakes global race to transform foundational language models into fully autonomous products. Cui Tianyi, the former Jane Street quantitative trading expert who joined DeepSeek in March to head the Harness team, said on social media platform X on Saturday that the newly formed group was facing an acute shortage of talent despite its...