Mem0 Memory

Mem0 is a self-improving memory layer for LLM applications, enabling personalized AI experiences that save costs and delight users.

Setup

Goto Mem0 Dashboard to get API keys for Mem0.

Usage

tip

See this section for general instructions on installing integration packages.

npm

npm install @langchain/openai @langchain/core @langchain/community

Yarn

yarn add @langchain/openai @langchain/core @langchain/community

pnpm

pnpm add @langchain/openai @langchain/core @langchain/community

import { ChatOpenAI } from "@langchain/openai";
import { ConversationChain } from "langchain/chains";
import { Mem0Memory } from "@langchain/community/memory/mem0";
import { randomUUID } from "crypto";

const sessionId = randomUUID(); // This should be unique for each user or each user's session.

const memory = new Mem0Memory({
  apiKey: "your-api-key",
  sessionId,
  memoryOptions: {
    run_id: "run123", // Optional, if you want to save the conversation to a specific run.
  },
});

const model = new ChatOpenAI({
  modelName: "gpt-3.5-turbo",
  temperature: 0,
});

const chain = new ConversationChain({ llm: model, memory });
console.log("Memory Keys:", memory.memoryKeys);

const res1 = await chain.invoke({
  input: "Hi! I am Jim and I live in Finland",
});
console.log({ res1 });
/*
{
  res1: {
    response: "Hello Jim! It's nice to meet you. My name is AI. How may I assist you today?"
  }
}
*/

const res2 = await chain.invoke({ input: "What did I just say my name was?" });
console.log({ res2 });

/*
{
  res2: {
    response: "You said your name was Jim."
  }
}
*/

const res3 = await chain.invoke({ input: "Where do I live?" });
console.log({ res3 });

/*
{
  res3: {
    response: "You live in Finland, Jim."
  }
}
*/

console.log("Session ID: ", sessionId);
console.log("Memory: ", await memory.loadMemoryVariables({}));

API Reference:

• ChatOpenAI from @langchain/openai
• ConversationChain from langchain/chains
• Mem0Memory from @langchain/community/memory/mem0