AI EngineeringMay 16, 2026
The Agent Memory Problem: Why 5+ Solutions Exist and None Won
Mem0, Letta, Zep, graph-RAG, Neptune Memory, HiveMemory, Obsidian steering files -- the agent memory space is fragmenting faster than it's converging. Here's a landscape analysis of why no single solution wins, the four types of memory agents actually need, and a decision framework for choosing your architecture.
10 min read
#AI Agents#Memory