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LTspice vs OpenModelica

Professional comparison and analysis to help you choose the right software solution for your needs.

LTspice icon
LTspice
OpenModelica icon
OpenModelica

LTspice vs OpenModelica: The Verdict

⚡ Summary:

LTspice: LTspice is a free circuit simulation software by Analog Devices. It is used for simulating analog and mixed-signal circuits. LTspice allows schematic capture and waveform viewing to verify circuit designs and study circuit behavior.

OpenModelica: OpenModelica is an open-source modeling and simulation environment intended for industrial and academic usage. It provides an integrated graphical modeling, compilation and simulation environment based on open standards.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature LTspice OpenModelica
Sugggest Score — —
Category Development Development
Pricing — Open Source

Product Overview

LTspice
LTspice

Description: LTspice is a free circuit simulation software by Analog Devices. It is used for simulating analog and mixed-signal circuits. LTspice allows schematic capture and waveform viewing to verify circuit designs and study circuit behavior.

Type: software

OpenModelica
OpenModelica

Description: OpenModelica is an open-source modeling and simulation environment intended for industrial and academic usage. It provides an integrated graphical modeling, compilation and simulation environment based on open standards.

Type: software

Pricing: Open Source

Key Features Comparison

LTspice
LTspice Features
  • Schematic capture
  • SPICE simulation engine
  • Waveform viewer
  • Component library
  • Macros
  • Behavioral modeling
  • Encryption
OpenModelica
OpenModelica Features
  • Modeling and simulation of complex systems
  • Acausal modeling with Modelica language
  • Integrated development environment
  • Model library with many common component models
  • Simulation of both continuous and discrete systems
  • Optimization and symbolic algorithms
  • Import/export of models and libraries
  • Modeling, simulation and analysis of electrical power systems
  • Real-time simulation and hardware-in-the-loop simulations

Pros & Cons Analysis

LTspice
LTspice

Pros

  • Free and open source
  • User friendly interface
  • Large component library
  • Good for simulating analog circuits
  • Can handle complex designs
  • Cross platform

Cons

  • Limited to analog/mixed-signal circuits
  • Steep learning curve
  • No collaborative features
  • Limited technical support
OpenModelica
OpenModelica

Pros

  • Free and open source
  • Cross-platform (Windows, Linux, Mac)
  • Active development community
  • Good documentation and tutorials
  • Flexible licensing for commercial use

Cons

  • Limited analysis and debugging capabilities compared to commercial tools
  • Less extensive model libraries than commercial alternatives
  • Lacks some advanced simulation algorithms present in commercial tools

Pricing Comparison

LTspice
LTspice
  • Not listed
OpenModelica
OpenModelica
  • Open Source

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Learn More About Each Product

LTspice
LTspice
Reviews, pricing & alternatives →
OpenModelica
OpenModelica
Reviews, pricing & alternatives →

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