Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this
LangMem helps AI agents learn and adapt over time by maintaining long-term memory of their interactions. It offers a storage-agnostic memory API, tools to record and search information during conversations, a background memory manager, and native integration with LangGraph's Long-term Memory Store. It includes examples and tooling to create agents that actively manage memory, configure storage, and use memory tools to persist and retrieve memories across sessions.
Rivals
Mem0 is the brand AI weighs against LangMem most.
Sources
changelog.langchain.com shapes more of what AI says about LangMem than any other source, at 21% of its citations.
rywalker.com · everydev.ai · aclanthology.org · changelog.langchain.ac.cn
The market map
LLM Agent Frameworks and Tooling →Where AI ranks LangMem
Excerpts where LangMem appeared in the AI's answer

LangMem — LangChain's SDK specifically aimed at long-term agent memory
Excerpts where LangMem appeared in the AI's answer

LangMem built by the LangChain/LangGraph team, this framework operates directly in the hot-path and background

LangMem / LangGraph — worth considering if you're already building around LangChain/LangGraph.