ByteDance's AI Bet -- The $23 Billion Infrastructure Push and Doubao Model Family

ByteDance is investing $23 billion in AI infrastructure in 2026 alone, developing custom chips, and building the Doubao model family that now consumes over 30 trillion daily tokens. This module covers ByteDance's AI strategy from the Seed research team to Volcano Engine's commercial cloud platform, explaining why AI is the company's defining strategic priority. For candidates, understanding this AI-first direction is essential because it shapes the type of engineering problems ByteDance is hiring to solve.