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DBMS > Milvus vs. Neo4j vs. Weaviate

System Properties Comparison Milvus vs. Neo4j vs. Weaviate

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Editorial information provided by DB-Engines
NameMilvus  Xexclude from comparisonNeo4j  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionA DBMS designed for efficient storage of vector data and vector similarity searchesScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelSearch engineGraph DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.37
Rank#264  Overall
#18  Search engines
Score59.35
Rank#19  Overall
#1  Graph DBMS
Score0.12
Rank#308  Overall
#19  Search engines
Websitemilvus.ioneo4j.comgithub.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationmilvus.io/­docs/­overview.mdneo4j.com/­docsweaviate.io/­developers/­weaviate/­current
DeveloperNeo4j, Inc.SeMI Technologies B.V.
Initial release201920072017
Current release2.0, January 20224.4.9, July 20221.0.3, January 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoGPL version3, commercial licenses availableOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageC++, GoJava, ScalaGo
Server operating systemsLinux
macOS info10.14 or later
Windows infowith WSL 2 enabled
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeschema-free and schema-optionalyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateNumeric and Stringyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesnoyes infopluggable indexing subsystem, by default Apache Luceneyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnonoGraphQL is used as query language
APIs and other access methodsRESTful HTTP APIBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesC++
Go
Java
JavaScript (Node.js)
Python
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnoyes infoUser defined Procedures and Functionsno
Triggersnoyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesShardingyes using Neo4j FabricSharding
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemBounded Staleness
Eventual Consistency
Immediate Consistency
Session Consistency
Tunable Consistency
Causal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Eventual Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)OpenID Connect Discovery
More information provided by the system vendor
MilvusNeo4jWeaviate
Specific characteristicsMilvus is an open-source and cloud-native vector database built for production-ready...
» more
Neo4j delivers graph technology that has been battle tested for performance and scale...
» more
Competitive advantagesHighly available, versatile, and robust with millisecond latency. Supports batch...
» more
Neo4j is the market leader, graph database category creator, and the most widely...
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Typical application scenariosVideo media : video understanding, video deduplication. E-commerce and mobile applications...
» more
Real-Time Recommendations Master Data Management Identity and Access Management Network...
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As a stand-alone vector search engine, or use one of the many modules (transformers,...
» more
Key customersMilvus is trusted by over 1,000 enterprises, including Baidu, eBay, IKEA, LINE, Shopee,...
» more
Over 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
A ll companies that have data. ​
» more
Market metricsAs of March 2022, 9.8k+ GitHub stars 1.4k+ Github forks 871k+ docker pulls 2k+ community...
» more
Neo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Licensing and pricing modelsMilvus was released under the open-source Apache License 2.0 in October 2019. Managed...
» more
GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
» more
News

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5 August 2022

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1 August 2022

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How Graphs Crystallize Connections: The 5-Minute Interview With Brandon Campbell
27 July 2022

Graphs for Cybersecurity: Knowledge Graph as Digital Twin
26 July 2022

Related products and services
3rd partiesGraphable delivers expert services for Neo4j and other Graph DBMS.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
MilvusNeo4jWeaviate
DB-Engines blog posts

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

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2 March 2016, Paul Andlinger

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

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Weaviate, an ANN Database with CRUD support
2 February 2021,  Etienne Dilocker, SeMI Technologies (sponsor) 

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Recent citations in the news

Zilliz Announces Key Contributions to Milvus 2.1, the Leading Open-Source Vector Database for Structured and Unstructured Data
3 August 2022, Business Wire

Database technology evolves to combine machine learning and data storage
7 March 2022, VentureBeat

What Is Vector Similarity Search? | Business Applications of Vector Search
11 August 2021, CIO Insight

Milvus, the AI Search Engine, Originally Developed by Zilliz Joins LF AI as New Incubation Project
10 April 2020, PR Newswire

The Recommendation System
15 February 2022, News | Europeana Pro

provided by Google News

Neo4j hosts Graph Data Summit in Bangalore
27 July 2022, Express Computer

Announcing Neo4j GraphSummit 2022
23 June 2022, PR Newswire

Neo4j and the International Consortium of Investigative Journalists (ICIJ) Announce the 2022 Connected Data Fellowship
18 May 2022, PR Newswire

Graph Database Market Future Forecasts Evaluated Based on Industry Player Investment Strategies – Shanghaiist
4 August 2022, Shanghaiist

Neo4j Closes Banner Year Marked by Customer Successes, Continued Industry Validation, Community Engagement, and Major Funding
25 January 2022, PR Newswire

provided by Google News

Amsterdam-based startup SeMI Technologies raises €14.1M for its open-source vector search engine Weaviate
23 February 2022, Silicon Canals

SeMI Technologies’ search engine opens up new ways to query your data
22 February 2022, TechCrunch

Getting Started with the Weaviate Vector Search Engine
18 May 2020, hackernoon.com

Database technology evolves to combine machine learning and data storage
7 March 2022, VentureBeat

Weaviate Is A Search Engine For Vector Embeddings
11 May 2020, hackernoon.com

provided by Google News

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