Our standard AMPL license and the AMPL Community Edition license are the same in terms of power – no limitations on number of variables and constraints. The main difference is that AMPL Community Edition can only be used for commercial-prototyping purposes. Moreover, AMPL Community Edition requires an internet connection and connects to commercial solvers for a 30-day trial period.

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Inside the license portal you can request an extension for your 30 day solver trial. This can often be extended to allow you to complete ongoing work or testing. 

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Our standard licenses have premium email, phone, and video support, while our Community Edition has basic email support and the user forum (where our development team frequently provides support).

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As soon as you sign up through the license portal you can download your license and use it immediately. Your Community Edition license never expires.

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Yes! You can use AMPL Community Edition for research and commercial prototyping purposes with open-source solvers. There are limitations on commercial solver connectivity over 30 days, but it is a great place for modelers to prototype and share ideas, or use on research or prototyping projects needing only an open source solver (*reminder you need a continuous internet connection for license validation). 

No. If you need to use a commercial solver for more than 30 days and you do not qualify for a professional or academic discount, you will need to purchase a standard AMPL license and your preferred commercial solver license. Contact us to get started or for further support.