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Head-to-head · RDF Databases

AllegroGraph vs RDFox

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score AllegroGraph #2 in RDF Databases 9.1/10 Free plan Free plan✓ 0 of 3 features Visit AllegroGraph
RDFox #8 in RDF Databases 8.4/10 Pricing on request ✓ 0 of 3 features Visit RDFox

AllegroGraph leads on 1 check, RDFox on 0, and 0 are 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 scoreAllegroGraph · 9.1/10
  • Free planonly AllegroGraph

AllegroGraph scores higher on our rubric for rdf databases: 9.1 against 8.4 out of 10; our editors rank them #2 and #8.

AllegroGraph offers free plan; RDFox doesn't.

AllegroGraph is the better fit for enterprise RDF, reasoning, and graph analytics. RDFox is the better fit for enterprises needing advanced semantic reasoning.

  • AllegroGraph fits best

    Enterprise RDF, reasoning, and graph analytics

  • RDFox fits best

    Enterprises needing advanced semantic reasoning

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 AllegroGraph 9.1/10 Visit ↗ RDFox 8.4/10 Visit ↗
At a glance
Editor score 9.1 8.4
Ranking #2 in RDF Databases #8 in RDF Databases
Best for Enterprise RDF, reasoning, and graph analytics Enterprises needing advanced semantic reasoning
Pricing model Free plan + paid Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted, Desktop
Platforms Web, Linux Web, Windows, macOS, Linux
Support Email, Docs Email, Community, Docs
Integrations 18 integrations 2 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features AllegroGraph 0/3 · RDFox 0/3
Reasoning support Not checked yet Not checked yet
RDF-star support Not checked yet Not checked yet
Federated queries Not checked yet Not checked yet
Specs
Deployment options Not checked yet Not checked yet
SPARQL support Not checked yet Not checked yet
Supported RDF formats Not checked yet Not checked yet
Our review
Pros
  • Supports RDF triples and quads with SPARQL, Prolog, RDFS++, and OWL reasoning
  • Combines federation, sharding, replication, geospatial, temporal, and vector capabilities
  • Offers triple-level security plus integrations across analytics and data platforms
  • Supports SPARQL 1.1, OWL 2, SWRL and Datalog reasoning.
  • Incremental reasoning can materialize derived facts automatically.
  • Offers REST and Java APIs, a web console and high availability.
Cons
  • Paid licensing is quotation-based rather than publicly listed
  • SQL support is not available
  • Its broad feature set is more specialized than a focused graph database
  • No free plan; access to pricing requires contacting sales.
  • Its semantic reasoning focus may exceed simpler RDF storage needs.
  • Deployment and API options may require technical setup.
Our verdict

AllegroGraph is a persistent graph database and application framework for organizations building enterprise knowledge graphs, data fabrics, semantic applications, and neuro-symbolic AI systems. It stores RDF triples and quads and supports…

Read the review →

RDFox is an in-memory knowledge graph database and semantic reasoning engine from Oxford Semantic Technologies. It stores RDF data, supports SPARQL 1.1 queries, and derives facts from rules and ontological axioms. The product is aimed at…

Read the review →
  1. AllegroGraphRDF Databases 9.1Free plan
  2. RDFoxRDF Databases 8.4Pricing on request

Strengths and trade-offs

  • AllegroGraph — where it wins

    • Supports RDF triples and quads with SPARQL, Prolog, RDFS++, and OWL reasoning
    • Combines federation, sharding, replication, geospatial, temporal, and vector capabilities
    • Offers triple-level security plus integrations across analytics and data platforms

    Where it doesn't

    • Paid licensing is quotation-based rather than publicly listed
    • SQL support is not available
    • Its broad feature set is more specialized than a focused graph database

  • RDFox — where it wins

    • Supports SPARQL 1.1, OWL 2, SWRL and Datalog reasoning.
    • Incremental reasoning can materialize derived facts automatically.
    • Offers REST and Java APIs, a web console and high availability.

    Where it doesn't

    • No free plan; access to pricing requires contacting sales.
    • Its semantic reasoning focus may exceed simpler RDF storage needs.
    • Deployment and API options may require technical setup.
  • AllegroGraph9.1/10 · Free plan

    A broad RDF platform for reasoning, federation, analytics, and vector-enabled knowledge graphs.

    Visit AllegroGraphFull verdict →
  • RDFox8.4/10 · Pricing on request

    RDFox combines SPARQL querying with rule-based and ontology-driven reasoning for RDF data.

    Visit RDFoxFull 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