Memory as a temporal knowledge graph, so it knows what was true and when. Built by Zep.
Others in memory
LangMem
LettaAgents that manage their own memory.
Mem0Give an assistant memory that lasts, with no API key.
CogneeCommon questions
Is Zep and Graphiti free to use?
Zep and Graphiti is open source and free to run yourself. You still pay whichever model provider you point it at, and this tutorial is free with no signup.
Do I need to know Python to use Zep and Graphiti?
Basic Python is enough. Functions, dictionaries and imports cover most of what Zep and Graphiti asks of you.
When should I not use Zep and Graphiti?
When something else in memory fits the job better. The others in that group are listed below.
Lessons for Zep and Graphiti are being written. Meanwhile the APIs for AI tutorial covers the same ground: state, tools, loops, memory and human approval. Most of it carries straight over.
Start the APIs for AI tutorial →