Blogs
EverMemOS: SOTA Results Across Four Memory Benchmarks and What It Means for LLM Agents
Jan 5, 2026
EverMemOS
long term memory
RAG
context
LoCoMo
LongMemEval
PersonaMem
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We have released our latest research on EverMemOS, now available on arXiv!
Large Language Models are quickly evolving from “single turn chatbots” into long-term interactive agents. But as soon as an agent is expected to stay coherent across weeks of conversations, it runs into a practical ceiling: a limited context window and fragmented memory. Even with retrieval, many systems still behave like they are pulling isolated snippets—often missing conflicts, failing to update user state, or giving inconsistent guidance over time.
In our latest research, we introduce EverMemOS, a self-organizing memory operating system that treats memory not as a flat store, but as a lifecycle—inspired by biological “engram” principles—so agents can continuously transform raw interactions into structured, evolving knowledge.
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We have released our latest research on EverMemOS, now available on arXiv!
Large Language Models are quickly evolving from “single turn chatbots” into long-term interactive agents. But as soon as an agent is expected to stay coherent across weeks of conversations, it runs into a practical ceiling: a limited context window and fragmented memory. Even with retrieval, many systems still behave like they are pulling isolated snippets—often missing conflicts, failing to update user state, or giving inconsistent guidance over time.
In our latest research, we introduce EverMemOS, a self-organizing memory operating system that treats memory not as a flat store, but as a lifecycle—inspired by biological “engram” principles—so agents can continuously transform raw interactions into structured, evolving knowledge.


A Unified Evaluation Framework for AI Memory Systems
Nov 26, 2025
AI Memory
Evaluation Framework
EverMemOS
Mem0
MemU
ZEP
MemOS
LoCoMo
LongMemEval
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Using a unified, production-grade evaluation framework, we benchmarked leading memory systems — EverMemOS, Mem0, MemOS, Zep, and MemU — under the same datasets, metrics, and answer model. This framework provides a fair, transparent, and reproducible standard for evaluating real-world memory performance in the Agentic Era. And EverMemOS delivered best-in-class results across LoCoMo and LongMemEval.
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Using a unified, production-grade evaluation framework, we benchmarked leading memory systems — EverMemOS, Mem0, MemOS, Zep, and MemU — under the same datasets, metrics, and answer model. This framework provides a fair, transparent, and reproducible standard for evaluating real-world memory performance in the Agentic Era. And EverMemOS delivered best-in-class results across LoCoMo and LongMemEval.


EverMemOS Hits SOTA Performance on LoCoMo
Sep 30, 2025
SOTA
LoCoMo
long-term memory
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EverMemOS is an intelligent memory operating system designed to give AI the ability not just to remember, but to understand, reason, and evolve. On the LoCoMo benchmark, our approach built upon EverMemOS achieved a 92.3% reasoning accuracy (evaluated by LLM-Judge), outperforming comparable methods in our internal evaluation.
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EverMemOS is an intelligent memory operating system designed to give AI the ability not just to remember, but to understand, reason, and evolve. On the LoCoMo benchmark, our approach built upon EverMemOS achieved a 92.3% reasoning accuracy (evaluated by LLM-Judge), outperforming comparable methods in our internal evaluation.

