# AtomMem: Building Long-Term Agent Memory from Atomic Facts

> AtomMem replaces summary-based memory with verified atomic facts organized into event hierarchies, temporal user profiles with version history, and an associative graph for multi-hop retrieval. It achieves 42.50 Multi-Hop F1 and 62.78 Temporal F1 on LoCoMo - best in class on both - while using 61% fewer tokens than MEM0.

Canonical URL: https://kravhal.kcsatish.com/insights/week-33
Edition: Week 19 · June 2026
Tags: Agents, RAG, LLMs
Reading time: 8 min read

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