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.

Release notices: To determine whether you need to upgrade to the current version, please consult the BARON Release Notes page.

Download BARON 26.5.28 (28-May-2026)

Windows: Installer or ZIP

MD5 (Installer): 699d6d9edaca7ec35d9e7f884442f2b8

MD5 (ZIP): 8c822b604a74d2a0882739298935a8f8

Linux: (AMD/Intel) Zip

MD5: bbd2c876cf558c5f46945d86a9f35644

Linux: (ARM64) Zip

MD5: 946c7691810e035011ee1f05d1950a6e

MAC OS: (Intel) Zip

MD5: 4bf69b1a781773c355af5f02d5c1cd26

MAC OS: (Apple M Series) Zip

MD5: d7e4eb467f25083002a55b53903398d4

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.

Free Version

Without a valid license, you can run BARON for free, in which case BARON:

• Supports up to 10 variables and constraints
• Allows 50 nonlinear operations
• Provides full access to the modeling language and log output

Demo free version 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.