--- title: "HippoRAG vs LongCite" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/osu-nlp-group-hipporag-vs-thudm-longcite" tools: ["osu-nlp-group-hipporag", "thudm-longcite"] --- # HippoRAG vs LongCite *GraphCanon updated Aug 24, 2026* ## Verdict Pick HippoRAG if hippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents; pick LongCite if longCite is designed to enhance large language models by enabling them to generate fine-grained citations when answering queries with long context. [HippoRAG](https://arxiv.org/abs/2405.14831) reports 3.9k GitHub stars, 416 forks, and 7 open issues, last pushed Jul 29, 2026. [LongCite](https://github.com/THUDM/LongCite) has 521 stars, 30 forks, and 9 open issues, last pushed Dec 31, 2024. Figures are from public GitHub metadata via [HippoRAG's repository](https://github.com/OSU-NLP-Group/HippoRAG) and [LongCite's repository](https://github.com/THUDM/LongCite). | | [HippoRAG](/tools/osu-nlp-group-hipporag.md) | [LongCite](/tools/thudm-longcite.md) | | --- | --- | --- | | Tagline | HippoRAG is a RAG framework enabling LLMs to continuously integrate knowledge from external documents. | Enabling LLMs to Generate Fine-grained Citations in Long-context QA | | Stars | 3,902 | 521 | | Forks | 416 | 30 | | Open issues | 7 | 9 | | Language | Python | Python | | Adopt for | HippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents. | LongCite is designed to enhance large language models by enabling them to generate fine-grained citations when answering queries with long context. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | LLM Frameworks, Model Training | Evaluation & Observability, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [HippoRAG](/tools/osu-nlp-group-hipporag.md) | [LongCite](/tools/thudm-longcite.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 3d | 601d | | Open issues (now) | 7 | 9 | | Stars delta | Unknown | +1 (30d) | | Open issues delta | Unknown | 0 (30d) | | Full report | [trust report](/tools/osu-nlp-group-hipporag/trust.md) | [trust report](/tools/thudm-longcite/trust.md) | ## Shared compatibility - **Python**: [HippoRAG](/tools/osu-nlp-group-hipporag.md) - Python runtime; [LongCite](/tools/thudm-longcite.md) - Python runtime ## Decision facts: HippoRAG - **Adopt for:** HippoRAG is a RAG framework that leverages Knowledge Graphs and Personalized PageRank for improved information retrieval from external documents. ## Decision facts: LongCite - **Adopt for:** LongCite is designed to enhance large language models by enabling them to generate fine-grained citations when answering queries with long context. ## Choose when ### Choose HippoRAG if… - License: HippoRAG is MIT, LongCite is Apache-2.0. - 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 ### Choose LongCite if… - License: LongCite is Apache-2.0, HippoRAG is MIT. - Tags unique to LongCite: benchmark, citation-generation, fine-tuning, long-context. - Also covers Evaluation & Observability. - When you require your LLM to provide detailed, well-cited responses in long-context scenarios. ## 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 ## When NOT to use LongCite - If your use case involves short queries or contexts that do not need extensive citations. - When the primary focus is on speed rather than detailed citation accuracy in responses. ## Common questions ### What is the difference between HippoRAG and LongCite? HippoRAG: HippoRAG is a RAG framework enabling LLMs to continuously integrate knowledge from external documents.. LongCite: Enabling LLMs to Generate Fine-grained Citations in Long-context QA. See the comparison table for live GitHub stats and shared categories. ### When should I choose HippoRAG over LongCite? Choose HippoRAG over LongCite when License: HippoRAG is MIT, LongCite is Apache-2.0; 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 choose LongCite over HippoRAG? Choose LongCite over HippoRAG when License: LongCite is Apache-2.0, HippoRAG is MIT; Tags unique to LongCite: benchmark, citation-generation, fine-tuning, long-context; Also covers Evaluation & Observability; When you require your LLM to provide detailed, well-cited responses in long-context scenarios. ### 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 ### When should I avoid LongCite? If your use case involves short queries or contexts that do not need extensive citations. When the primary focus is on speed rather than detailed citation accuracy in responses. ### Is HippoRAG or LongCite more popular on GitHub? HippoRAG has more GitHub stars (3,902 vs 521). Stars measure visibility, not whether either tool fits your constraints. ### Are HippoRAG and LongCite open source? Yes - both are open-source projects on GitHub (HippoRAG: MIT, LongCite: Apache-2.0). ### Where can I find alternatives to HippoRAG or LongCite? GraphCanon lists graph-backed alternatives at [HippoRAG alternatives](/tools/osu-nlp-group-hipporag/alternatives) and [LongCite alternatives](/tools/thudm-longcite/alternatives) ([HippoRAG markdown twin](/tools/osu-nlp-group-hipporag/alternatives.md), [LongCite markdown twin](/tools/thudm-longcite/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/osu-nlp-group-hipporag-vs-thudm-longcite.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, HippoRAG or LongCite? HippoRAG: Very active. LongCite: Dormant. 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 HippoRAG and LongCite? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [HippoRAG trust report](/tools/osu-nlp-group-hipporag/trust); [LongCite trust report](/tools/thudm-longcite/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=osu-nlp-group-hipporag`](/api/graphcanon/graph?tool=osu-nlp-group-hipporag) - 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/_