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JanusGraph

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Distributed graph database for scale

Data & DatabasesCloud & Infrastructure
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Tracked since2025
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The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Open source graph DB

Biggest con

Complex setup

TL;DR - JanusGraph

  • JanusGraph is an open-source distributed graph database for massive datasets
  • It supports billions of vertices and edges with pluggable storage backends
  • Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups

What is JanusGraph?

Editorial review
JanusGraph is an open-source distributed graph database. Scale graph data across multiple machines, query relationships at scale-graph storage for serious workloads. The distribution handles scale. Multiple storage backends are supported. The query language is Gremlin. Organizations with massive graph data requirements choose JanusGraph for scalable graph storage.

Available on: Web

how we evaluateSourcejanusgraph.org ↗

Pros & Cons

Pros

  • Open source graph DB
  • Scalable
  • Multiple backends
  • Apache TinkerPop
  • Active community

Cons

  • Complex setup
  • Learning curve
  • Documentation gaps
  • Operational overhead
  • Neo4j often preferred

Key Features

Graph databaseDistributedGremlinMultiple backendsScalableOpen source

Pricing Plans

Pricing checked Jul 10, 2026

Free (Open Source)

Free

  • Full graph database
  • Apache 2.0 license
  • Multiple storage backends
  • Billions of vertices support
  • Linux Foundation project
Calculate your costView full pricing

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Still deciding?

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JanusGraph FAQ

How does JanusGraph support scaling graph data?

JanusGraph is a distributed graph database designed to scale graph data across multiple machines. It provides scalable graph storage suitable for serious workloads by distributing the data.

Which query language does JanusGraph utilize?

JanusGraph uses Gremlin as its query language. This allows users to query relationships within their graph data effectively.

What kind of user or team benefits most from JanusGraph?

Organizations with massive graph data requirements choose JanusGraph for its scalable graph storage capabilities. It is particularly well-suited for teams managing large-scale, complex relationship data.

How is JanusGraph priced?

JanusGraph is free to use, as it is an open-source distributed graph database. There are no paid plans required to utilize its features.

Can JanusGraph integrate with different storage solutions?

Yes, JanusGraph supports multiple storage backends. This flexibility allows users to choose the underlying storage solution that best fits their infrastructure needs.

How does JanusGraph compare to Neo4j?

While both are graph databases, JanusGraph is an open-source distributed graph database supporting multiple backends and Apache TinkerPop. Neo4j is often preferred in scenarios where its specific features align better with project requirements, though JanusGraph offers strong scalability for massive datasets.

What are the main trade-offs when implementing JanusGraph?

Implementing JanusGraph comes with a complex setup and a learning curve. Users may also encounter documentation gaps and higher operational overhead compared to some alternatives.

Source: janusgraph.org

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