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AMPL STANDARD PRICE LIST

These are the standard prices for AMPL and for the solvers that we sell. You can also download a printable version of this list.

There is a separate academic price list applicable to purchases by degree-granting institutions for noncommercial teaching and research activities.

When you’re ready to buy, see our complete ordering instructions.
 

 Single
User
FloatingServer
Single
Socket
Server
Dual
Socket
Server
Quad
Socket
AMPL$4000$6000$8000$14000$24000
Linear-quadratic solvers:
CPLEX$9500$14500Contact us for details
Gurobi *$9250$18500$18500$37000$74000
Xpress$9500$14500$19000$38000$76000
Nonlinear solvers:
Artelys Knitro$4000$6000$8000$14000$24000
CONOPT$4000$6000$8000$14000$24000
LOQO$3000$4500$6000$10500$18000
MINOS$3000$4500$6000$10500$18000
SNOPT$3200$4800$6400$11200$19200
Alternative solvers:
BARON$4000$6000$8000$14000$24000
LGO$2000$3000$4000$7000$12000
LocalSolver$9500$19000$19000$38000$76000
Web-based collaborative environment:
QuanDec Lite$20000$36000$54000
Quandec$75000$135000$200000

* Gurobi prices do not include first-year maintenance: see below                                                   

 
Prices and configurations

AMPL prices are for the AMPL modeling language and system, including the AMPL command-line and IDE development tools and the AMPL API programming libraries. To make use of AMPL it is necessary to also obtain at least one solver having an AMPL interface. Solvers may be obtained from us or from another source.

As listed above, we offer many popular solvers for direct purchase; refer to Solvers We Sell to learn more, including problem types supported and methods used. Our prices for these solvers apply to the versions that incorporate an AMPL interface; a previously or concurrently purchased copy of the AMPL software is needed to use these versions. Programming libraries and other forms of these solvers are not included.

AMPL may also be purchased by itself for connection to solvers sold by other vendors and to noncommercial or experimental solvers. Contact us or consult our Solvers overview page for pointers to detailed information about all solver alternatives.

QuanDec turns any AMPL optimization model into a sophisticated interactive decision-making tool. A QuanDec server license can be added on to any server installation of AMPL and a solver. Contact us at quandec@ampl.com or consult our QuanDec overview to learn more about features and licensing.

License types

Each single-user license allows the product to be run in any number of simultaneous processes, on one designated computer by one designated user and userid. Sharing a userid to permit more than one user to access a single-user license is expressly disallowed by the license agreement.

Each floating license allows one single-user license at a time (AMPL, BARON, CONOPT, LocalSolver, LGO, MINOS, SNOPT) or one process at a time (CPLEX, Gurobi, Knitro, Xpress) to be activated on any computer where the product is installed. One computer must be designated as the license server; it may manage any number of floating licenses and may be configured to restrict requests to a specified list of network (IP) address ranges.

Each server license allows the product to be run by any number of users in any number of simultaneous processes, on one designated computer. A “socket” denotes one processor chip having any number of cores; the single-socket, dual-socket, and quad-socket prices apply to computers having respectively one, two, and four processor chips.

Prices are available upon request for hardware configurations and licensing arrangements not shown on this list. Please contact us at sales@ampl.com for information and quotes.

Maintenance

AMPL maintenance and support service includes access to AMPL and solver software updates, regeneration of license files necessitated by hardware changes, and technical assistance with installation and execution. Unless indicated otherwise, the quoted prices include one year of maintenance and support. Subsequent maintenance and support service is charged at an annual rate equal to a percentage, currently 20%, of the license price in effect at the time of renewal.

* Gurobi prices do not include first-year maintenance and support service. The first year of Gurobi maintenance is billed at an additional 20% at the time of purchase.

Beginning one year after purchase, maintenance and support will be billed annually unless cancelled in writing by the customer prior to the renewal date. Contact us at sales@ampl.com for information on upgrades to copies not currently under maintenance.

Volume discounts

Discounts may be available on purchases of multiple AMPL or solver licenses. Previous purchases can be counted toward volume discounts provided their maintenance is current. Please contact us at sales@ampl.com for details.