LangMem vs Zep (2026)

A side-by-side comparison of LangMem and Zep, two ai agent memory AI agents. Compare pricing, access model, and key features to decide which fits your workflow.

Category
AI Agent Memory
AI Agent Memory
Industry
Horizontal
Technology
Pricing
Free
Freemium
Access
Open Source
Closed Source
Upvotes
3
2
Views
627
409

About LangMem

Helping AI agents learn and adapt from interactions over time

About Zep

Memory foundation for AI stacks, enabling personalized agents and assistants.

Key features compared

Core memory API compatible with any storage system
Memory management tools for active conversations
Background memory manager for automatic knowledge extraction and updates
Native integration with LangGraph's Long-term Memory Store
Intelligent Learning From User Interactions, Easy Integration with LangChain, ChatHistory Class for Personalization, Vector Search Capabilities, Customizable Memory Windows.

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