ByteDance's Doubao Develops AI Personal Assistant Project 'Spell'

ByteDance's Doubao is advancing a personal AI assistant project codenamed 'Spell', which originated from its mobile assistant team. Internal testing began in April 2026, and the company is now accelerating its development to compete with international products like Muse and Instinct. The project aims to integrate personal agent capabilities into the broader Doubao ecosystem, with a trial version reportedly under rapid development.