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This paper from Yale and the University of Chicago finds that the main difference between LLM-generated and human research ideas is not quality but range: LLMs produce narrower ideas, with 47-64% of their ideas focusing on connecting separate work, compared to only 12.1% for humans.
GBrain is a tool that enhances AI agents with synthesis, gap analysis, a self-wiring typed knowledge graph, hybrid search, and a nightly dream cycle, all built on top of existing .md files in Obsidian.
Garry Tan highlights a retrieval system that uniquely combines keyword matching, graph traversal, and gap analysis, an approach not seen elsewhere.