Anthropic

Configure Anthropic Claude models as the LLM provider in Mem0 with API key setup and usage examples.

To use Anthropic’s models, please set the ANTHROPIC_API_KEY which you find on their Account Settings Page.

Usage

Python

import os
from mem0 import Memory

os.environ["OPENAI_API_KEY"] = "your-api-key" # used for embedding model
os.environ["ANTHROPIC_API_KEY"] = "your-api-key"

config = {
    "llm": {
        "provider": "anthropic",
        "config": {
            "model": "claude-sonnet-4-6",
            "temperature": 0.1,
            "max_tokens": 2000,
        }
    }
}

m = Memory.from_config(config)
messages = [
    {"role": "user", "content": "I'm planning to watch a movie tonight. Any recommendations?"},
    {"role": "assistant", "content": "How about thriller movies? They can be quite engaging."},
    {"role": "user", "content": "I’m not a big fan of thriller movies but I love sci-fi movies."},
    {"role": "assistant", "content": "Got it! I'll avoid thriller recommendations and suggest sci-fi movies in the future."}
]
m.add(messages, user_id="alice", metadata={"category": "movies"})

import { Memory } from 'mem0ai/oss';

const config = {
  llm: {
    provider: 'anthropic',
    config: {
      apiKey: process.env.ANTHROPIC_API_KEY || '',
      model: 'claude-sonnet-4-6',
      temperature: 0.1,
      maxTokens: 2000,
    },
  },
};

const memory = new Memory(config);
const messages = [
    {"role": "user", "content": "I'm planning to watch a movie tonight. Any recommendations?"},
    {"role": "assistant", "content": "How about thriller movies? They can be quite engaging."},
    {"role": "user", "content": "I’m not a big fan of thriller movies but I love sci-fi movies."},
    {"role": "assistant", "content": "Got it! I'll avoid thriller recommendations and suggest sci-fi movies in the future."}
]
await memory.add(messages, { userId: "alice", metadata: { category: "movies" } });

Config

All available parameters for the anthropic config are present in Master List of All Params in Config.