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What is LangMem?

LangMem is a flexible and efficient Python SDK created by LangChain that equips AI agents with the capability to sustain long-term memory. This functionality allows agents to collect, retain, alter, and retrieve essential information from past interactions, thereby improving their intelligence and personalizing user experiences over time. The SDK offers three unique types of memory, along with tools for real-time memory management and background mechanisms for seamless updates outside of user engagement periods. Thanks to its storage-agnostic core API, LangMem can easily connect with a variety of backends and includes native compatibility with LangGraph’s long-term memory store, which simplifies type-safe memory consolidation through Pydantic-defined schemas. Developers can effortlessly integrate memory features into their agents using simple primitives, enabling smooth processes for memory creation, retrieval, and optimization of prompts during dialogue. This adaptability and user-friendly design establish LangMem as an essential resource for augmenting the functionality of AI-powered applications, ultimately leading to more intelligent and responsive systems. Moreover, its capability to facilitate dynamic memory updates ensures that AI interactions remain relevant and context-aware, further enhancing the user experience.

What is Beacon?

Beacon is an open-source framework for telemetry and memory, tailored specifically for AI coding agents. This innovative tool captures agent sessions across diverse environments such as local setups, continuous integration (CI) systems, and cloud platforms, creating a searchable repository that benefits both individual developers and teams. With this functionality, users can effectively analyze workflows, troubleshoot agent performance issues, evaluate usage trends, identify potential security risks, and convert recorded sessions into reusable skills and agent memory. Beacon supports various agent frameworks, including Claude Code, Cursor, Codex, and OpenCode, as well as more than 20 other agent harnesses, while the Observe SDK enhances the instrumentation of cloud agents. It operates seamlessly in local environments or can connect to Beacon Cloud, which provides hosted session histories, valuable insights, analytics, collaborative features, and access to the MCP. The free plan of Beacon Cloud includes 50 findings, the ability to search session histories via the MCP, and options for sharing sessions. In contrast, the Pro version offers unlimited findings, expansive agent memory capabilities, reusable skills, comprehensive MCP access, and real-time notifications. Additionally, the Enterprise tier is tailored for large organizations, featuring organization-wide findings, deployment capabilities for endpoints and CI, approval workflows, single sign-on (SSO), role-based access control, audit logging, and dedicated customer support services. Each subscription tier is thoughtfully crafted to accommodate the diverse needs of developers and organizations striving to optimize their AI coding processes and enhance productivity.

Media

Media

No images available

Integrations Supported

LangGraph
PydanticAI
Python

Integrations Supported

Claude Code
Cursor
Model Context Protocol (MCP)
OpenAI Codex
OpenCode

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

$0
Beacon Cloud is free. Beacon Cloud Pro is $20/month, billed annually. Beacon Cloud Team is $30/seat/month plus a $10/month base fee, billed annually, for up to 20 seats. Enterprise pricing is custom.
Free Version
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS
Windows
Mac
On-Prem
Linux

Customer Service / Support

Standard Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
On-Site Training

Training Options

Documentation Hub

Company Facts

Organization Name

LangChain

Date Founded

2022

Company Location

United States

Company Website

langchain-ai.github.io/langmem/

Company Facts

Organization Name

Asymptote Labs

Date Founded

2025

Company Location

United States

Company Website

beacon.sh/

Categories and Features

AI Memory Layers

Not specified

Categories and Features

AI Memory Layers

Not specified

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