SICStus Prolog

State-of-the-art, ISO standard compliant Prolog development system for enterprise applications.

At a Glance

Version 4.10.1
Performance 303 MLips
Standard ISO 13211
MiniZinc Awards 5 Medals
Platforms Win, Linux, Mac
Architecture 32 & 64-bit

Why SICStus?

Performance. Achieving 303 million logical inferences per second with JIT compilation to native code, SICStus delivers the speed required for demanding enterprise applications.

Standards compliance. Full ISO/IEC 13211-1 compliance with all technical corrigenda ensures your code is portable and future-proof.

Constraint programming. Our award-winning CLP(FD) solver has earned five MiniZinc Challenge medals, proving its excellence in the international constraint programming community.

Integration. Seamlessly connect with C/C++, Java, .NET, Tcl/Tk, ODBC, XML, and JSON through comprehensive foreign language interfaces.

Development tools. SPIDER, our Eclipse-based IDE, provides source-level debugging, execution profiling, and on-the-fly code analysis.

Trusted by Leaders

Clarissa enables astronauts aboard the International Space Station to navigate complex procedures entirely by voice, powered by SICStus Prolog's reliable inference engine.

โ€” NASA

Our Network Resource Manager uses SICStus to model and validate complex multi-vendor IP backbone configurations with precision and speed.

โ€” Ericsson

COPLEX achieves significant logistics cost savings through SICStus's dynamic constraint solving capabilities.

โ€” RedPrairie

Get Started

Download a free evaluation version and experience SICStus Prolog.

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Design 20 ยท Minimal