Keywords AI

LangMem vs Mem0

Compare LangMem and Mem0 side by side. Both are tools in the Memory Layer category.

Quick Comparison

LangMem
LangMem
Mem0
Mem0
CategoryMemory LayerMemory Layer
PricingFreemium
Best ForDevelopers building AI agents that need to remember user context across sessions
Websitelangchain-ai.github.iomem0.ai
Key Features
  • Long-term memory for AI agents
  • Automatic memory extraction from conversations
  • User-level and session-level memory
  • Framework integrations
  • Memory search and retrieval API
Use Cases
  • Personalized AI assistants that remember users
  • Agent learning from past interactions
  • Customer support with conversation history
  • AI companions with persistent memory
  • Multi-session context continuity

When to Choose LangMem vs Mem0

Mem0
Choose Mem0 if you need
  • Personalized AI assistants that remember users
  • Agent learning from past interactions
  • Customer support with conversation history
Pricing: Freemium

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.

About Mem0

Mem0 (formerly EmbedChain) is a memory layer for AI applications that gives LLMs and agents persistent, personalized memory. It automatically extracts, stores, and retrieves relevant memories from conversations, enabling AI systems to remember user preferences, past interactions, and context across sessions. Mem0 supports multiple storage backends and integrates with popular LLM frameworks.

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.

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