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A Google PAIR prototype that adds AI-powered annotations, granular summaries, and custom Q&A to arXiv research papers.

A Google PAIR prototype that adds AI-powered annotations, granular summaries, and custom Q&A to arXiv research papers.
Lumi is a reading prototype from People & AI Research (PAIR) at Google that overlays a lightweight AI layer on top of arXiv research papers. It provides inline, context-aware features — including granular summaries, sentence- and paragraph-level annotations, and custom question-and-answer interactions — to help readers understand and navigate complex scientific texts. Lumi is offered as an open-source project (Apache-2.0) to enable transparency and community contributions and is designed to accelerate literature review, comprehension, and discovery for researchers, students, and practitioners.


