The LangChain repository describes an agent engineering platform for building agent based software.
Open source
24 alternativesMem0
Mem0 provides persistent memory infrastructure for AI agents and applications.
About Mem0
Mem0 provides persistent memory infrastructure for AI agents and applications. It stores information such as user preferences and past interactions across user, session, and agent state, and retrieves that context for later conversations.
It is available as a library installed with pip or npm, as a self-hosted server run with Docker Compose, and as a managed cloud platform. Published benchmark figures describe the managed platform, which includes optimizations not present in the open-source SDK.
Key features
- Retains user, session, and agent state across interactions
- Single-pass memory extraction without overwriting existing memories
- Multi-signal retrieval combining semantic, BM25, and entity matching
- Time-aware retrieval for current, past, and upcoming events
- Self-hosted deployment via Docker Compose
- CLI to create API key and add and search memories
Best for: Developers building AI assistants, customer support chatbots, and autonomous systems that need persistent context.
Good for
- Open source with library, self-hosted, and managed deployment options
- Provides SDKs installable via pip and npm with API access
- Evaluation framework is open-sourced for reproducing benchmark numbers
Watch out for
- Published benchmark scores reflect the managed platform, not the open-source SDK
- Library option lacks dashboard and built-in auth and API key management
- Full advanced features are listed only for the cloud platform
Mem0 at a glance
- Website
- github.com/mem0ai/mem0
- Category
- AI & Machine Learning › AI Agents & Automation
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Mem0 FAQ
What deployment options are available?
A library for testing and prototyping installed with pip install mem0ai, a self-hosted server run with docker compose up, and a cloud platform accessed by signing up at app.mem0.ai.
How can an agent create a Mem0 API key?
Install the CLI with npm install -g @mem0/cli or pip install mem0-cli, then run mem0 init --agent, followed by mem0 add and mem0 search commands.
Do open-source users get the same benchmark results as the managed platform?
No. The repository states scores reflect the managed platform with proprietary optimizations not available in the open-source SDK.
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