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Head-to-head · RDF Databases

GraphDB vs OpenLink Virtuoso

  • 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
OpenLink Virtuoso #5 in RDF Databases 8.8/10 Open source · 30-day trial Free trial✓ 0 of 3 features Visit site

GraphDB leads on 0 checks, OpenLink Virtuoso 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 planonly GraphDB
  • Free trialonly OpenLink Virtuoso
  • Most featuresGraphDB · 3 of 3

GraphDB scores higher on our rubric for rdf databases: 9.3 against 8.8 out of 10; our editors rank them #1 and #5.

GraphDB is the better fit for teams needing a polished RDF platform. OpenLink Virtuoso is the better fit for RDF plus relational SQL workloads.

  • GraphDB fits best

    Teams needing a polished RDF platform

  • OpenLink Virtuoso fits best

    RDF plus relational SQL workloads

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 ↗ OpenLink Virtuoso 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #1 in RDF Databases #5 in RDF Databases
Best for Teams needing a polished RDF platform RDF plus relational SQL workloads
Pricing model Free plan + paid Free
Starting price — Free
Free plan ✓ (best) Not checked yet
Free trial — 30 days
Deployment Cloud, Self-hosted, Desktop Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Email, Community, Docs Tickets, Community, Docs
Integrations 9 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features GraphDB 3/3 · OpenLink Virtuoso 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
  • Combines relational SQL, native RDF quads, SPARQL, and SPASQL
  • Connects to remote SQL and XML sources through virtual databases
  • Includes replication, clustering, and role-based and row-level security
Cons
  • Enterprise pricing requires contacting sales
  • Free edition supports only a single query in parallel
  • GraphDB is not open source
  • Commercial offer dates are historical and require pricing confirmation
  • Advanced Enterprise capabilities use custom licensing terms
  • Its broad multi-model scope may exceed a single-purpose RDF database
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 →

OpenLink Virtuoso is a cross-platform multi-model database and data integration platform for organizations working with relational, RDF, graph, XML, and federated data. It suits teams that need SQL alongside RDF storage and graph querying,…

Read the review →
  1. GraphDBRDF Databases 9.3Free plan · pricing on request
  2. OpenLink VirtuosoRDF Databases 8.8Open source · 30-day trial

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

  • OpenLink Virtuoso — where it wins

    • Combines relational SQL, native RDF quads, SPARQL, and SPASQL
    • Connects to remote SQL and XML sources through virtual databases
    • Includes replication, clustering, and role-based and row-level security

    Where it doesn't

    • Commercial offer dates are historical and require pricing confirmation
    • Advanced Enterprise capabilities use custom licensing terms
    • Its broad multi-model scope may exceed a single-purpose RDF database
  • GraphDB9.3/10 · Free plan · pricing on request

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

    Visit GraphDBFull verdict →
  • OpenLink Virtuoso8.8/10 · Open source · 30-day trial

    A cross-platform choice for teams combining relational SQL with RDF and graph workloads.

    Visit siteFull 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