EverMemOS

Long-term memory infrastructure for AI agents, enabling them to remember, adapt, and maintain consistency over time.

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evermind.ai
Verified API available
Quick facts
What is it Long-term memory infrastructure for AI agents, enabling them to remember, adapt, and maintain consistency over time.
Pricing Unknown
Platform API
API Yes
Best for building personalized AI assistants, creating consistent customer service chatbots
Domain registered 2020

Data updated Aug. 1, 2026

What does EverMemOS do?

EverMemOS is a specialized operating system designed to give AI agents a persistent, long-term memory. It solves a core limitation of current large language models (LLMs), which have a finite 'context window' and essentially 'forget' past interactions once a conversation ends. This tool acts as an external memory bank, storing an agent's experiences, user preferences, and learned knowledge so it can recall them in future interactions. The goal is to move AI from a series of isolated, stateless chats to a continuous, evolving relationship.

The system is built on a four-layer architecture inspired by human memory, featuring a Memory Processor that actively uses stored knowledge to shape reasoning (not just retrieve facts), a hierarchical system for organizing information into structured 'MemUnits', and an extensible framework that can adapt to different tasks. It boasts impressive benchmark results, like 92.3% on the LoCoMo test, demonstrating its ability to maintain long-term consistency. This isn't just a database; it's a processing layer that integrates with AI models to make them smarter over time.

This technology is a foundational tool for developers and companies building advanced, agentic AI. It's particularly valuable for creating personalized AI assistants that learn your habits, long-running customer service bots that remember past issues, or any application where continuity and deep personalization are critical. It's the underlying infrastructure that could power AI companions or enterprise agents that truly evolve with their users.

#agentic ai#ai agents#ai development#knowledge graph#llm-context#long-term memory#memory infrastructure#personalization

Key features

What makes it stand out
01
Four-layer memory architecture for persistent, long-term knowledge storage
02
Active Memory Processor that influences AI reasoning, not just data retrieval
03
Hierarchical organization of memories into structured semantic units (MemUnits)
04
Extensible framework adaptable for different AI agent scenarios and tasks
05
Achieves state-of-the-art results on long-term consistency benchmarks (e.g., LoCoMo)

Who is EverMemOS for?

Who benefits most from this tool
building personalized AI assistants
creating consistent customer service chatbots
developing long-term AI companions

Trust & presence

Domain Domain registered 2020

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