Benchmarking GraphRAG vs VectorRAG: An Open-Source Weekend Project
kmeanskaran · x · 2026-08-08
A developer shared a weekend project benchmarking GraphRAG (multi-hop) against standard VectorRAG.
Key steps and methodologies include:
- Dataset: Defining Marathi language data focused on agriculture and government schemes.
- Graph Construction: Designing LLM-based SVO (Subject-Verb-Object) generation and evaluation, ingested into Neo4j.
- Retrieval: Experimenting with one-hop and two-hop queries.
- Evaluation: Running evaluations on a gold QnA dataset using metrics like hallucination rate and relevancy score.
The entire pipeline is built using completely open-source tools.
Related event: Benchmarking GraphRAG vs VectorRAG in Multi-hop Retrieval(2 posts)→
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