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Head-to-head · RDF Databases

GraphDB vs Stardog

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score GraphDB #1 in RDF Databases 9.3/10 Free plan · pricing on request Free plan✓ 3 of 3 features Visit GraphDB
Stardog #3 in RDF Databases 9.0/10 Free plan Free plan✓ 0 of 3 features Visit Stardog

GraphDB leads on 0 checks, Stardog on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGraphDB · 9.3/10
  • Free planboth
  • Most featuresGraphDB · 3 of 3

GraphDB scores higher on our rubric for rdf databases: 9.3 against 9.0 out of 10; our editors rank them #1 and #3.

GraphDB is the better fit for teams needing a polished RDF platform. Stardog is the better fit for enterprise virtual graphs and data federation.

  • GraphDB fits best

    Teams needing a polished RDF platform

  • Stardog fits best

    Enterprise virtual graphs and data federation

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 GraphDB 9.3/10 Visit ↗ Stardog 9.0/10 Visit ↗
At a glance
Editor score 9.3 9.0
Ranking #1 in RDF Databases #3 in RDF Databases
Best for Teams needing a polished RDF platform Enterprise virtual graphs and data federation
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted, Desktop Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Email, Community, Docs Community, Docs · 24/7
Integrations 9 integrations 20 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features GraphDB 3/3 · Stardog 0/3
Reasoning support ✓ (best) Not checked yet
RDF-star support ✓ (best) Not checked yet
Federated queries ✓ (best) Not checked yet
Specs
Deployment options Hybrid Not checked yet
SPARQL support Sparql 1.1 Not checked yet
Supported RDF formats Turtle, Turtle-star, TriG, TriG-star, N3, N-Triples, N-Quads, JSON-LD, NDJSON-LD, RDF/JSON, RDF/XML, TriX, BinaryRDF Not checked yet
Our review
Pros
  • Supports SPARQL 1.1, reasoning, RDF-star, and federated queries
  • Includes Workbench, REST, RDF4J APIs, and broad connectors
  • Enterprise adds clustering and multi-region deployments
  • Virtual graphs query remote relational, NoSQL, file, and SPARQL sources
  • Federation, inference, ontology management, caching, and scheduled triggers
  • Cloud and self-managed deployment with SQL, REST, GraphQL, and CLI access
Cons
  • Enterprise pricing requires contacting sales
  • Free edition supports only a single query in parallel
  • GraphDB is not open source
  • The Free plan is limited to 1 million stored edges
  • Free uses shared cloud hosting and includes community support
  • Enterprise pricing is contact-sales only
Our verdict

GraphDB is an RDF and SPARQL semantic graph database for developers, data scientists, knowledge engineers, administrators, and enterprises. It stores and queries RDF data, supports SPARQL 1.1 query, update, and protocol operations, and…

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 can work across relational, NoSQL, file, cloud, and SPARQL sources without necessarily moving that…

Read the review →
  1. GraphDBRDF Databases 9.3Free plan · pricing on request
  2. StardogRDF Databases 9.0Free plan

Strengths and trade-offs

  • GraphDB — where it wins

    • Supports SPARQL 1.1, reasoning, RDF-star, and federated queries
    • Includes Workbench, REST, RDF4J APIs, and broad connectors
    • Enterprise adds clustering and multi-region deployments

    Where it doesn't

    • Enterprise pricing requires contacting sales
    • Free edition supports only a single query in parallel
    • GraphDB is not open source

  • Stardog — where it wins

    • Virtual graphs query remote relational, NoSQL, file, and SPARQL sources
    • Federation, inference, ontology management, caching, and scheduled triggers
    • Cloud and self-managed deployment with SQL, REST, GraphQL, and CLI access

    Where it doesn't

    • The Free plan is limited to 1 million stored edges
    • Free uses shared cloud hosting and includes community support
    • Enterprise pricing is contact-sales only
  • GraphDB9.3/10 · Free plan · pricing on request

    A broad RDF platform with a free edition and enterprise-grade deployment options.

    Visit GraphDBFull verdict →
  • Stardog9.0/10 · Free plan

    A broad enterprise platform for federated queries, virtual graphs, and semantic reasoning.

    Visit StardogFull verdict →

More comparisons

All RDF databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update