Before proceeding:

By downloading anything from this page, you agree to the terms outlined in the BARON End-User License Agreement. Please read the EULA carefully before continuing.

Download BARON 25.12.5 (5-December-2025)

Windows: Installer or ZIP

MD5 (Installer): 9166122e4ac44f43db8014cfbe190d41

MD5 (ZIP): b4fd1d32b51390f9e1a14d99c532f4e5

Linux: (AMD/Intel) Zip

MD5: 11882be2cd7a5107c826a1870786faa9

Linux: (ARM64) Zip

MD5: 7502da8b7870e44d60514c9cb2845e4a

MAC OS: (Intel) Zip

MD5: 9b1c3a5872f43f268561c878a70a4729

MAC OS: (Apple M Series) Zip

MD5: ea3293e32c92528cfa68ca966ab7ed22

File Integrity Verification

We use DigitalOcean Spaces for efficient content delivery. If you would like to verify the integrity of your download, use the appropriate command for your platform:

On Linux: md5sum

On macOS: md5

On Windows: Open a PowerShell and enter Get-FileHash .\baron-win64.exe -Algorithm MD5

Documentation

BARON User Manual
Learn about BARON’s features, input formats, and how to run models using the built-in parser.

BARON FAQ
Find answers to common questions about installation, licensing, and functionality.

Tutorials

Explore walkthroughs, conference presentations, and hands-on demos on our YouTube Channel.

Interfaces

BARON can be accessed through:

• Native parser-reader (BARON’s own input format)
• MATLAB/BARON Interface
• JuMP, Pyomo, and YALMIP modeling systems

All interfaces use the same BARON executables provided above.

BARON Demo Mode

Without a valid license, BARON runs in demo mode:

• Supports up to 10 variables and constraints
• Allows 50 nonlinear operations
• Provides full access to the interface and log output (with demo mode notice)

Demo mode is ideal for exploring the interface and testing basic functionality.

Example Models

Explore sample input files by category:

• Nonconvex nonlinear: nlp1, nlp2
• Mixed-integer linear: milp
• Mixed-integer nonlinear: minlp
• Quadratic: scqp1, scqp2, iqp
• Applications: pooling, gear design, robot

We also provide a large test set of LP and NLP problems.

Older Versions

Need a previous version? Visit our Older BARON Versions page.

Licensing and Purchases

To request a license or renew your maintenance plan, visit our BARON Licenses page.