August 21, 2015 – Today, we released AIMMS 4.9.1 with a parallel multistart capability, forecasting functions and WebUI improvements. For details, please see the release notes.

This AIMMS version is available to users with a maintained license, and to everyone buying a new AIMMS license. If you do not have an eligible license, you can request a free license or apply for maintenance on an existing license at

Click here to download AIMMS 4.9. If you have any questions or feedback, please contact us through