Show HN: MothRAG – Graph-free multi-hop RAG without the rebuild bill

Category: library

Tags: rag, multi-hop-qa, retrieval, llm, python

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 7, Utility: 7)

MothRAG is a Python library for multi-hop retrieval-augmented generation (RAG) that achieves state-of-the-art benchmark results without requiring a knowledge graph, expensive GPU, or retraining. It uses deterministic orchestration over a plain dense index with commodity LLM APIs, enabling cheap, fresh, and auditable multi-hop question answering over rapidly changing corpora.

Target audience: backend devs, data engineers, ai-ml researchers

Repository: https://github.com/juliangeymonat-jpg/mothrag · Python · Apache-2.0 · 27 stars

View on Hacker News