ByteDance plans $70B AI infrastructure blitz to dominate China and challenge US

ByteDance, the owner of TikTok and Douyin, is aggressively ramping up its AI infrastructure spending, planning as much as $70 billion in capital expenditures for 2026. This would be nearly triple its 2025 capex of about $25 billion, and could rise to $100 billion in 2027 if conditions allow. The company aims to solidify its lead in China’s AI race — its Doubao chatbot already has over 300 million monthly users — and challenge top US players like Microsoft, Amazon, and Meta. ByteDance will underwrite much of the spending from its roughly $50 billion in 2025 profit, and has reportedly struck a deal to buy millions of Qualcomm chips to power agentic AI services.

This spending spree highlights a growing divergence between US and Chinese tech giants. While US hyperscalers plan a combined $725 billion in 2026 capex, Chinese rivals like Tencent and Alibaba have been far more cautious — Tencent's 2025 capex was just 79.2 billion yuan (about $11B). ByteDance's move is seen as a strategic bet that AI infrastructure is now a critical asset, not a discretionary expense. Analysts note that lower data center costs in China mean ByteDance may achieve similar capacity to US firms with less spending, narrowing the effective gap. The push is already showing results: ByteDance's Seedance video models and other AI tools power a wide range of products, from editing software to coding assistants, and the company is preparing to introduce subscription fees for its chatbot.