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Head-to-head · Knowledge Graph Software

Neo4j vs Stardog

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Neo4j #1 in Knowledge Graph Software 9.3/10 Free plan · 14-day trial Free planFree trial✓ 0 of 4 features Visit Neo4j
Stardog #5 in Knowledge Graph Software 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Stardog

Neo4j leads on 0 checks, Stardog on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNeo4j · 9.3/10
  • Free planboth
  • Free trialonly Neo4j

Neo4j scores higher on our rubric for knowledge graph software: 9.3 against 8.8 out of 10; our editors rank them #1 and #5.

Neo4j is the better fit for property-graph applications with strong developer tooling. Stardog is the better fit for federated knowledge graphs across enterprise data.

  • Neo4j fits best

    Property-graph applications with strong developer tooling

  • Stardog fits best

    Federated knowledge graphs across enterprise data

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Neo4j 9.3/10 Visit ↗ Stardog 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #1 in Knowledge Graph Software #5 in Knowledge Graph Software
Best for Property-graph applications with strong developer tooling Federated knowledge graphs across enterprise data
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Tickets, Live chat, Community, Docs Community, Docs · 24/7
Compliance SOC 2, ISO 27001, GDPR, HIPAA SOC 2
Integrations 10 integrations 20 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Neo4j 0/4 · Stardog 0/4
Ontology modeling Not checked yet Not checked yet
Semantic reasoning Not checked yet Not checked yet
RDF/SPARQL support Not checked yet Not checked yet
Graph visualization Not checked yet Not checked yet
Specs
Import formats Not checked yet Not checked yet
Deployment Not checked yet Not checked yet
Query languages Cypher, GQL Not checked yet
Our review
Pros
  • Native nodes, relationships, properties, and Cypher queries
  • ACID transactions, clustering, failover, and horizontal scaling
  • Graph algorithms, vector search, connectors, and official libraries
  • Queries remote data through virtual graphs without necessarily moving it
  • Supports SPARQL, SQL, GraphQL, REST, inference, and ontology management
  • Offers both managed cloud and self-managed enterprise deployment
Cons
  • Professional starts at $65 per GB per month
  • Business Critical requires a minimum 2GB cluster
  • Native property-graph focus may not suit RDF-first projects
  • The Free plan is limited to 1 million stored edges
  • Enterprise pricing requires contacting sales
  • It is proprietary rather than open source
Our verdict

Neo4j is a native property graph database for developers, data scientists, and organizations working with connected data. It stores nodes, relationships, and properties, then exposes them through the Cypher declarative query language.…

Read the review →

Stardog is a knowledge-graph and semantic AI platform for enterprises that need to connect and query distributed data. Its virtual graphs and connectors work with relational, NoSQL, file, cloud, and SPARQL sources, while SPARQL, SQL-based…

Read the review →
  1. Neo4jKnowledge Graph Software 9.3Free plan · 14-day trial
  2. StardogKnowledge Graph Software 8.8Free plan

Strengths and trade-offs

  • Neo4j — where it wins

    • Native nodes, relationships, properties, and Cypher queries
    • ACID transactions, clustering, failover, and horizontal scaling
    • Graph algorithms, vector search, connectors, and official libraries

    Where it doesn't

    • Professional starts at $65 per GB per month
    • Business Critical requires a minimum 2GB cluster
    • Native property-graph focus may not suit RDF-first projects

  • Stardog — where it wins

    • Queries remote data through virtual graphs without necessarily moving it
    • Supports SPARQL, SQL, GraphQL, REST, inference, and ontology management
    • Offers both managed cloud and self-managed enterprise deployment

    Where it doesn't

    • The Free plan is limited to 1 million stored edges
    • Enterprise pricing requires contacting sales
    • It is proprietary rather than open source
  • Neo4j9.3/10 · Free plan · 14-day trial

    A developer-focused property graph with broad tooling, cloud options, and AI-ready search.

    Visit Neo4jFull verdict →
  • Stardog8.8/10 · Free plan

    A flexible choice for federating enterprise data across cloud, databases, and APIs.

    Visit StardogFull verdict →

More comparisons

All knowledge graph software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update