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 26.4.12 (12-April-2026)

Windows: Installer or ZIP

MD5 (Installer): 2195f09ccadb9e30399fdd3eb55c0955

MD5 (ZIP): 526609850282ef8081acb95730bcbc6a

Linux: (AMD/Intel) Zip

MD5: 375cd1be1b90b5c5cbffa0f2971dac98

Linux: (ARM64) Zip

MD5: aa453b20cbe2a5b028b13d34163522e0

MAC OS: (Intel) Zip

MD5: fd4d513b0cd939a21ef0cd0093089ac1

MAC OS: (Apple M Series) Zip

MD5: b51937fb400d2cfe88b34a7a82756ab6

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.