The phone is the computer: how device makers and model labs battle over personal agents
sujingshen · x · 2026-10-24
Part 3 of a series on who defines the personal agent: overseas labs (Meta, Google, OpenAI, xAI) answer "where does the agent's computer live" with cloud VMs per user, while device makers are the computer — building AI into every OS layer.
Key points:
- Lenovo + IDC's Personal AI white paper offers the most-cited Chinese-language definition: user-centric, data and algorithm sovereignty belonging to the user; it predicts the industry center shifts from OS to personal super-agents, making device makers the ecosystem core
- 2025's landscape is messier: ByteDance partnered with Nubia on a Doubao phone, StepFun launched its own phone, Zhipu open-sourced a phone-operating model, Honor and Alibaba are co-building a next-gen OS, Samsung ships three agents in one phone (Bixby, Gemini, Perplexity with Galaxy AI orchestrating), and Apple's new Siri runs on Gemini
- Core thesis: whoever controls the system layer defines the phone's personal agent — and that layer is being redistributed; AgenticOS reframes scheduling around user intent, kernel resources as models and compute, and permission subjects as agents
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