Introduction
Artificial intelligence has rapidly moved from research labs into everyday tools. Yet, most users remain locked into vendor‑controlled ecosystems, where the choice of language model (LM) is dictated by the provider. This creates friction for developers, educators, and organizations who want flexibility, privacy, and control. The Bring Your Own Language Model (BYOLM) paradigm challenges this status quo. By designing a configurable middleware layer, extensions for Chrome, Word, and other applications can seamlessly integrate with swappable LLMs. Combined with Spring AI and Model Context Protocol (MCP), this architecture empowers users to safeguard sensitive data, authenticate access securely, and orchestrate reproducible AI labs. This article may be referred to as a sequel to this article on DZone, and readers are encouraged to read it.
Motivation
The motivation behind BYOLM is simple yet powerful: freedom of choice. Traditional AI assistants often operate as black boxes, offering little transparency into how data is processed or stored. For developers and mentors, this lack of control is unacceptable. BYOLM allows individuals and organizations to:
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