COPASI: Biochemical System Simulator

COPASI is a software application for simulation and analysis of biochemical networks and their dynamics.

COPASI is a stand-alone program that supports models in the SBML standard and can simulate their behavior using ODEs or Gillespie's stochastic simulation algorithm; arbitrary discrete events can be included in such simulations. A list of the many features can be found here.

Most recent News

COPASI 4.27 (Build 217) Released

Stefan Hoops: 2019-09-14 01:00:00 +0000

The COPASI team announces the immediate availability of the stable release COPASI 4.27 (Build 217).

A new release of COPASI has been made available. Please visit our free download page to retrieve this latest development release. Please note this version is released under the Artistic License 2.0, which is an OSI approved license. This license allows non-commercial and commercial use free of charge. This release has several new features:

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ICSB 2019 Tutorial: Advanced modeling with COPASI

Frank Bergmann: 2019-08-06 15:24:00 +0000

The COPASI team announces the ICSB 2019 Tutorial: Advanced modeling with COPASI. The tutorial will be offered as satelite workshop at October 31st at OIST, Okinawa Japan. For more information see the Events page.

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COPASI 4.26 (Build 213) Released

Stefan Hoops: 2019-07-30 01:00:00 +0000

The COPASI team announces the immediate availability of the stable release COPASI 4.26 (Build 213).

A new release of COPASI has been made available. Please visit our free download page to retrieve this latest development release. Please note this version is released under the Artistic License 2.0, which is an OSI approved license. This license allows non-commercial and commercial use free of charge. This release has several new features:

read more

COPASI 4.25 (Build 207) Released

Stefan Hoops: 2019-03-15 08:00:00 +0000

The COPASI team announces the immediate availability of the stable release COPASI 4.25 (Build 207).

A new release of COPASI has been made available. Please visit our free download page to retrieve this latest development release. Please note this version is released under the Artistic License 2.0, which is an OSI approved license. This license allows non-commercial and commercial use free of charge. This release has several new features:

read more

COPASI MIRIAM Resources Update Broken

Stefan Hoops: 2018-09-25 16:00:00 +0000


Dear COPASI Users

A recent change in the way the list of MIRIAM resources is provided by EBI makes it impossible to update MIRIAM resources in COPASI. We are sorry for the inconvenience that this problem may be causing you. For users who require the most recent list of MIRIAM resources we have found a workaround:

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