Keywords AI
Cognee vs LangMem
Compare Cognee and LangMem side by side. Both are tools in the Memory Layer category.
Quick Comparison
| Category | Memory Layer | Memory Layer |
| Website | cognee.ai | langchain-ai.github.io |
About Cognee
Cognee is an open-source memory management framework for AI applications that builds knowledge graphs from unstructured data. It extracts entities, relationships, and facts from conversations and documents, enabling AI agents to maintain structured long-term memory with semantic retrieval.
About LangMem
LangMem is LangChain's long-term memory solution for AI agents. It provides tools for extracting, storing, and retrieving memories from agent interactions, enabling agents to learn and improve over time. LangMem integrates natively with the LangGraph agent framework and supports multiple memory types including semantic, episodic, and procedural memory.
What is Memory Layer?
Tools and frameworks for adding persistent, long-term memory to AI agents and LLM applications. These systems manage conversation history, user preferences, and learned context across sessions, enabling more personalized and context-aware AI interactions.
Browse all Memory Layer tools →