Long-term and working memory for agents that persist across runs. Ranked by community traction, with live GitHub stars and what each is best at.
Short answer: the best agent memory for AI agents by community traction is Mem0 (★ 63k), followed by Letta (MemGPT) and Zep.
✓ Live data verified
A memory layer for AI agents — extracts, stores, and retrieves user/agent facts across sessions. Best for personalized agents.
Stateful agents with long-term memory and self-editing context, evolved from the MemGPT research. Best for persistent agents.
Long-term memory store for agents with a temporal knowledge graph of facts and their validity over time. Best for temporal memory.
By community traction, Mem0 (★ 63k) leads the agent memory in our directory. A memory layer for AI agents — extracts, stores, and retrieves user/agent facts across sessions.
Mem0 is the most-starred open-source option; Letta (MemGPT) and Zep are strong runners-up.
Mem0, at ★ 63k (live count).
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