News
Thoughts, updates, and stories from the Phi team
Built Into macOS: How Phi Sentinel Uses Apple Foundation Models
On supported Macs, Phi Sentinel brings Apple Foundation Models into the browser as a native local AI path.
Chengxi·
Engineering
Phi Agent: Bringing Skills into the Browser
Reusable workflows are easy. Safe browser execution is the hard part.
Wood·
Engineering
Local First: How Phi Browser's Local LLM Works
Phi is local-first because personal AI requires personal trust. Local LLM is not just a feature toggle. It is part of the architecture we are building toward.
Elmer·
Engineering
From Remembering to Understanding: Designing a Personal Memory System for AI
Building a memory architecture that transforms raw browser activity into a structured, evolving model of the user.
Lex·
Engineering