Details
- Vendor
- Prometheux
- Type
- Other
- Kind
- Query Engine
- Category
- Growing
- License
- Proprietary
- Query Languages
- Vadalog
- Protocols
- HTTP/REST
Prometheux
An ontology engine that runs graph analytics and logical reasoning over existing data sources without moving data, using the Vadalog (Datalog+/-) reasoning language. Produces deterministic, fully traceable results with row-level provenance across sources such as Snowflake, Databricks, PostgreSQL, and Neo4j.
- Overall rank
- #100
- First released
- 2022
- License
- Proprietary
Details
Sources 3 references
Protocols HTTP/REST
Versioned REST API under /api/v1 drives the platform; MCP (local stdio server and remote OAuth-based server) is layered on top for agent access rather than being a distinct wire protocol.
-
The Prometheux platform exposes a REST API that lets you drive every part of the platform from your own application
REST API - Prometheux · reviewed 2026-08-02
License Proprietary
Confirmed as closed-source: NVIDIA's technical blog describes Vadalog Parallel as Prometheux's proprietary system. No open-source license file or repository for the core engine exists.
-
Prometheux has seamlessly integrated the RAPIDS accelerator for Apache Spark into their proprietary knowledge graph management system, Vadalog Parallel, to leverage NVIDIA GPUs.
Accelerating Neurosymbolic AI with RAPIDS and Prometheux Vadalog Parallel | NVIDIA Technical Blog · reviewed 2026-08-02
Released 2022
No dated public product-launch announcement for Prometheux could be found (their current website is a 2026 relaunch). Using the official UK company incorporation date as the anchor for '2022' — it agrees with the GitHub org creation date (2022-03-11) and other secondary sources (e.g. The Company Check: 'Prometheux was founded in 2022').
-
Company type Private limited Company Incorporated on 22 February 2022
PROMETHEUX LIMITED - Find and update company information - GOV.UK · reviewed 2026-08-02