Cognee vs LightRAG

Cognee is free, with no paid plan attached. LightRAG is free, with no paid plan attached. Both are listed under Agent Memory & RAG-as-a-Service, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.

Cognee vs LightRAG — straight answers

Cognee vs LightRAG: what is the difference?

Cognee is free, with no paid plan attached and is listed for open-source memory platform that turns data into a knowledge graph plus vectors for agents. LightRAG is free, with no paid plan attached and is listed for simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025). Both sit in Agent Memory & RAG-as-a-Service.

Is Cognee or LightRAG cheaper to start with?

Neither — Cognee and LightRAG are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

Which should I choose, Cognee or LightRAG?

Choose Cognee if you need open-source memory platform that turns data into a knowledge graph plus vectors for agents; choose LightRAG if you need simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025). Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

Cognee compared with LightRAG: pricing tier, category, listed capabilities and links.
 CogneeLightRAG
Pricing tierFreeFree
Free to startYesYes
CategoryAI Agents & AutomationAI Agents & Automation
TypeAgent Memory & RAG-as-a-ServiceAgent Memory & RAG-as-a-Service
Listed capabilities
  • Open-source memory platform that turns data into a knowledge graph plus vectors for agents
  • Python API with pluggable graph, vector and relational stores
  • Self-host free; cloud option exists
  • Simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025)
  • Combines knowledge-graph and vector retrieval
  • Works with local or hosted LLMs
Tagscognee, ai agent memory open source, knowledge graph memory, graph rag memory layerlightrag, graph rag simple fast, knowledge graph rag open source, hkuds lightrag
Websitecognee.aigithub.com
Full pageCognee details →LightRAG details →
AlternativesCognee alternatives →LightRAG alternatives →

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