Zep AI

San Francisco, CA, USA5+ employeesSeed raised

“Agent Context Is Hard. We Fixed It.”

Agent Context Is Hard. We Fixed It.

YC W24

About the Company

Zep assembles the right context from chat history, business data, and user behavior so agents are personalized, accurate, and fast. Our open source project Graphiti hit 20k GitHub stars in under 12 months. Sub-200ms retrieval, SOC 2 Type 2/HIPAA certified, used by teams from startups to Fortune 500s.

Tech Stack

Zep is built on Graphiti, our open source temporal knowledge graph library with 20k+ GitHub stars: https://github.com/getzep/graphiti

Scale: millions of MAUs, millions of tenant graphs. We built our own graph database to make this work at sub-200ms P95.

Stack: Go, Python, TypeScript/React.

Founders

Daniel Chalef

Founder, Zep AI. Engineer turned startup founder (previously KnowledgeTree) and late-stage operator (SparkPost acquired MessageBird), with detours as a Data Science, Marketing, and Corp Dev guy. Still an engineer at heart and have a soft spot for Go.