--- title: "Lumos vs HippoRAG" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/andrewnguonly-lumos-vs-osu-nlp-group-hipporag" tools: ["andrewnguonly-lumos", "osu-nlp-group-hipporag"] --- # Lumos vs HippoRAG *GraphCanon updated Aug 14, 2026* ## Verdict Pick Lumos if lumos is a RAG LLM co-pilot that operates within Chrome and leverages local language models to support web browsing with automation; pick HippoRAG if hippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents. [Lumos](https://github.com/andrewnguonly/Lumos) reports 1.5k GitHub stars, 112 forks, and 24 open issues, last pushed Jan 26, 2025. [HippoRAG](https://arxiv.org/abs/2405.14831) has 3.9k stars, 416 forks, and 7 open issues, last pushed Jul 29, 2026. Figures are from public GitHub metadata via [Lumos's repository](https://github.com/andrewnguonly/Lumos) and [HippoRAG's repository](https://github.com/OSU-NLP-Group/HippoRAG). | | [Lumos](/tools/andrewnguonly-lumos.md) | [HippoRAG](/tools/osu-nlp-group-hipporag.md) | | --- | --- | --- | | Tagline | A RAG LLM co-pilot for browsing the web | HippoRAG is a RAG framework enabling LLMs to continuously integrate knowledge from external documents. | | Stars | 1,516 | 3,902 | | Forks | 112 | 416 | | Open issues | 24 | 7 | | Language | TypeScript | Python | | Adopt for | Lumos is a RAG LLM co-pilot that operates within Chrome and leverages local language models to support web browsing with automation. | HippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents. | | Persona | - | - | | Runtime | - | - | | License | MIT | MIT | | Categories | Data & Retrieval, LLM Frameworks | LLM Frameworks, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Lumos](/tools/andrewnguonly-lumos.md) | [HippoRAG](/tools/osu-nlp-group-hipporag.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Very active (96%) | | Days since push | 564d | 3d | | Open issues (now) | 24 | 7 | | Stars delta | +1 (30d) | Unknown | | Open issues delta | 0 (30d) | Unknown | | Owner type | User | Organization | | Full report | [trust report](/tools/andrewnguonly-lumos/trust.md) | [trust report](/tools/osu-nlp-group-hipporag/trust.md) | ## Decision facts: Lumos - **Requirements:** Ensure that your environment supports Docker to run the Ollama server as required for Lumos operation.; Your development workflow should be prepared to integrate a Chrome extension, considering you need to load unpacked extensions into Chrome. - **Adopt for:** Lumos is a RAG LLM co-pilot that operates within Chrome and leverages local language models to support web browsing with automation. - **License detail:** MIT ## Decision facts: HippoRAG - **Adopt for:** HippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents. ## Choose when ### Choose Lumos if… - Lumos is primarily TypeScript; HippoRAG is Python. - Requirements: Ensure that your environment supports Docker to run the Ollama server as required for Lumos operation.; Your development workflow should be prepared to integrate a Chrome extension, considering you need to load unpacked extensions into Chrome.. - Tags unique to Lumos: chrome-extension, langchain, langchain-js, llm. - Also covers Data & Retrieval. - Use Lumos when your task involves heavy web navigation and requires interaction with the latest local machine learning models directly from a browser. ### Choose HippoRAG if… - HippoRAG is primarily Python; Lumos is TypeScript. - Tags unique to HippoRAG: knowledge graphs, knowledge integration, language-models, personalized pagerank. - Also covers Model Training. - When integrating human-like long-term memory capabilities into LLM models to handle vast amounts of external knowledge ## When NOT to use Lumos - Avoid using Lumos when your primary task does not involve browsing the web or requires a standalone application interface that does not need browser augmentation. - Do not use this tool if you are looking for support in languages other than TypeScript, as it is specifically built around this language. ## When NOT to use HippoRAG - If your application does not require continuous integration of external documents or personalized information retrieval - For simpler applications where standard RAG frameworks without KG Personalized PageRank suffice for performance requirements ## Common questions ### What is the difference between Lumos and HippoRAG? Lumos: A RAG LLM co-pilot for browsing the web. HippoRAG: HippoRAG is a RAG framework enabling LLMs to continuously integrate knowledge from external documents.. See the comparison table for live GitHub stats and shared categories. ### When should I choose Lumos over HippoRAG? Choose Lumos over HippoRAG when Lumos is primarily TypeScript; HippoRAG is Python; Requirements: Ensure that your environment supports Docker to run the Ollama server as required for Lumos operation.; Your development workflow should be prepared to integrate a Chrome extension, considering you need to load unpacked extensions into Chrome.; Tags unique to Lumos: chrome-extension, langchain, langchain-js, llm; Also covers Data & Retrieval; Use Lumos when your task involves heavy web navigation and requires interaction with the latest local machine learning models directly from a browser. ### When should I choose HippoRAG over Lumos? Choose HippoRAG over Lumos when HippoRAG is primarily Python; Lumos is TypeScript; Tags unique to HippoRAG: knowledge graphs, knowledge integration, language-models, personalized pagerank; Also covers Model Training; When integrating human-like long-term memory capabilities into LLM models to handle vast amounts of external knowledge. ### When should I avoid Lumos? Avoid using Lumos when your primary task does not involve browsing the web or requires a standalone application interface that does not need browser augmentation. Do not use this tool if you are looking for support in languages other than TypeScript, as it is specifically built around this language. ### When should I avoid HippoRAG? If your application does not require continuous integration of external documents or personalized information retrieval For simpler applications where standard RAG frameworks without KG Personalized PageRank suffice for performance requirements ### Is Lumos or HippoRAG more popular on GitHub? HippoRAG has more GitHub stars (3,902 vs 1,516). Stars measure visibility, not whether either tool fits your constraints. ### Are Lumos and HippoRAG open source? Yes - both are open-source projects on GitHub (Lumos: MIT, HippoRAG: MIT). ### Where can I find alternatives to Lumos or HippoRAG? GraphCanon lists graph-backed alternatives at [Lumos alternatives](/tools/andrewnguonly-lumos/alternatives) and [HippoRAG alternatives](/tools/osu-nlp-group-hipporag/alternatives) ([Lumos markdown twin](/tools/andrewnguonly-lumos/alternatives.md), [HippoRAG markdown twin](/tools/osu-nlp-group-hipporag/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/andrewnguonly-lumos-vs-osu-nlp-group-hipporag.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Lumos or HippoRAG? Lumos: Dormant. HippoRAG: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for Lumos and HippoRAG? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Lumos trust report](/tools/andrewnguonly-lumos/trust); [HippoRAG trust report](/tools/osu-nlp-group-hipporag/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=andrewnguonly-lumos`](/api/graphcanon/graph?tool=andrewnguonly-lumos) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_