Zep

AI Memory

Zep is a fast, scalable memory service for LLM apps, focusing on historical context and knowledge graph extraction.

By AgDex Editorial · Reviewed July 2026

What is Zep?

Zep is a long-term memory service designed for AI assistant developers. It automatically summarizes chat histories, extracts named entities, and builds a knowledge graph in the background to keep agent context relevant without exploding token counts.

Key Features

Low-Latency Retrieval: Built for high-performance memory recall.
Background Summarization: Keeps context windows small.
Knowledge Graph: Automatically models relationships between entities.

Pricing Estimate (2026)

Open-Source (Community Edition). Zep Cloud offers enterprise SLAs and managed hosting.