HUGIN 9.8 by HUGIN EXPERT A/S, Denmark HUGIN is software for building and deploying decision support systems that reason under uncertainty, based on Bayesian networks and influence diagrams. Models are built and tested in the HUGIN graphical interface and deployed through the HUGIN Decision Engine, which is called from your own applications through the HUGIN APIs.

Editions

• HUGIN Explorer Graphical interface for building and using Bayesian network and influence diagram models.

• HUGIN Developer Graphical interface plus the Decision Engine and APIs, for building applications and services on HUGIN.

• HUGIN Researcher Academic licence for research applications.

• HUGIN Educational Academic licence for teaching and learning Bayesian networks.

• HUGIN OEM Deployment licence for embedding HUGIN in your own products or services.

• HUGIN Lite Free download with limited model size, for evaluation.

Capabilities

• Bayesian networks and influence diagrams Probabilistic models of cause and effect, with decisions and utilities for decision analysis under uncertainty.

• Learning from data Model structure and conditional probabilities can be estimated from data, and combined with expert knowledge.

• Deployment The Decision Engine runs models inside other software through APIs for C, C++, Java, .NET and Python.

• New in 9.8 Version 9.8 (August 2026) adds new functionality in the Data Frame.

Typical Applications

• Fraud detection for insurers
• Credit default prediction
• Anti-money laundering
• Predictive maintenance of machinery
• Medical diagnosis and patient monitoring
• Risk analysis and decision support

Additional Information
HUGIN product information and HUGIN Lite download: www.hugin.com