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Hologres:Overview

Last Updated:Jul 10, 2026

Hologres long memory service is a fully managed, Mem0-compatible service that builds persistent memory for AI agents. It automatically extracts key information from multi-turn conversations and persists it across sessions, enabling agents to maintain consistent context and deliver personalized responses.

Important
  • Hologres long memory service is in free public preview. The public preview ends at 10:00:00 (UTC+8) on August 1, 2026, after which billing officially begins.

  • During the public preview, pay-as-you-go bills from Hologres long memory service display usage for compute, storage, and model billing items as usual, but the actual charges are 0. We recommend that you monitor your usage during this period.

Benefits

Hologres long memory service supports enterprise collaboration, intelligent customer service, companion chatbots, personalized education, and more. Key benefits include:

  • Ready to use with an open ecosystem: Compatible with the open-source Mem0 framework and standard RESTful APIs. Supports one-click integration through mainstream AI agent gateways such as OpenClaw and Hermes.

  • Fully managed at low cost: No need to deploy or maintain the Mem0 server, or handle system deployment, O&M, or troubleshooting. Automatically compresses and deduplicates historical memories through memory refinement, reducing large model token consumption and improving response efficiency.

  • High performance: Supports real-time writes and updates of vector and full-text data. Memories are queryable immediately after being written, enabling real-time interaction with models. Provides high-accuracy hybrid retrieval of vector and full-text data.

  • High scalability: Built on the Hologres cloud-native distributed architecture. Scales to tens of billions of memory records to accommodate business growth.

  • Shared memory: For individual users, helps agents maintain consistent memory when switching between devices. For enterprise users, supports sharing core memories among team members.

Hologres long memory service vs. Mem0

Item

Hologres long memory service

Mem0

Managed service

Fully managed by Alibaba Cloud. Pay-as-you-go.

Self-managed.

Deployment regions

Chinese mainland and outside

Outside the Chinese mainland only

Auto scaling

Automatic scaling on cloud-native architecture

Manual scaling required

Data scale

Tens of billions of records

Limited by external storage

Memory CRUD

Compatible with Mem0 API

Basic CRUD

Vector search

Proprietary engine, millisecond-level, tens-of-billions scale

Dependent on external vector databases

Full-text search

Native full-text engine

Not supported

Hybrid search

Vector + full-text + graph + scalar

Limited

Search latency

Millisecond-level

Varies with external storage

Billing

Hologres long memory service uses pay-as-you-go (postpaid) billing. Billing items include compute, storage, and model resources. For more information, see Billing.