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

Louis Corneloup Updated May 26, 2026 · how we evaluate Source janusgraph.org ↗

Key Features

Graph database
Distributed
Gremlin
Multiple backends
Scalable
Open source

Pricing Plans

Pricing checked Sep 30, 2026

JanusGraph plans and prices, checked September 2026
Plan	Price	Details
Free (Open Source)	$0	Full graph database Apache 2.0 license Multiple storage backends +2 more Show less Billions of vertices support Linux Foundation project

View full pricing

Is JanusGraph worth the price?

Great value

JanusGraph's pricing is exceptionally generous as it is entirely free, being an open-source project.

This makes it an incredibly fair and accessible option for anyone needing a distributed graph database without budget constraints. It's best for organizations and developers who prioritize cost-effectiveness and open-source flexibility.

Full JanusGraph pricing: every plan, hidden costs and alternatives

Reviews

Improve Your Thinking Patterns Using ChatGPT cover

$99 Free with your review

Review JanusGraph, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review

Best JanusGraph Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

Neo4j Freemium

Native graph database platform

4.5

ArangoDB Paid

Multi-model database for graphs, documents, and key-value

4.5

OrientDB Free

The first multi-model open-source NoSQL database combining graphs and documents.

3.9

Dgraph Freemium

Distributed graph database with GraphQL

4.7

Amazon Neptune Paid

Fully managed graph database service on AWS

2.4

TigerGraph Freemium

Enterprise graph database and analytics

4.7

See all data & databases tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

All JanusGraph alternatives 6+ tools ranked, pricing + verdict per pick JanusGraph vs Neo4j Head-to-head: features, pricing, who wins JanusGraph vs ArangoDB Head-to-head: features, pricing, who wins JanusGraph vs OrientDB Head-to-head: features, pricing, who wins

Explore More

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

Guides & Articles

Best Synthetic Data Tools 2026

Expert guide

Best Open Source Databases in 2026

Expert guide

Best Reverse ETL Tools in 2026

Expert guide