Frontline Systems launches RASON Desktop for Power BI

Frontline Systems has released RASON Desktop, a new tool that puts simulation, optimization and decision intelligence inside Power BI Desktop and Excel Desktop. The launch is aimed at helping analysts move from reporting what happened to deciding what to do next under uncertainty and constraints.

Why it matters: - Frontline Systems says Power BI users can now run decision models without exporting data to Excel and moving results back by hand. - The product is designed to help business users choose the best action under uncertainty, which could shorten analysis cycles and broaden access to advanced modeling. - Saved models travel with the Power BI report file, so colleagues with model runner licenses can open a dashboard, change parameters and run new scenarios without waiting for the original analyst.

What happened: - Frontline Systems Inc. launched RASON Desktop on June 22, 2026. - The product brings Monte Carlo simulation, mathematical optimization and decision intelligence into Microsoft Power BI Desktop and Excel Desktop. - RASON Desktop reads data directly from Power BI tables, solves the model and writes results back to the dashboard in real time. - Frontline Systems said the product is available now with a free 15-day trial at more information, in VS Code as an extension and in the VS Code Marketplace.

The details: - RASON Desktop includes a high-speed Monte Carlo simulation engine. - The software includes built-in solvers for linear, non-linear and integer optimization models. - Optional large-scale solvers from Gurobi, FICO Xpress and Artelys Knitro are available for the largest optimization problems, including models with millions of decision variables. - The product includes DMN-compatible business rules and decision tables. - RASON Desktop also includes regression, time series forecasting, CART, neural networks and ensemble machine learning tools. - The software runs as an extension inside Microsoft’s free VS Code editor. - Frontline Systems ships the product with nearly 200 example models. - The included RASON MCP Server is intended to help AI assistants such as GitHub Copilot and Claude assist users in building and solving decision models. - Existing customers of Frontline’s Analytic Solver for Excel can automatically translate Excel-formula models into RASON and deploy them to Power BI without rebuilding. - RASON Desktop interoperates with Frontline’s Azure-based RASON cloud service and supports integration with Power BI Service, Power Automate and Power Apps.

Between the lines: - Frontline Systems is targeting a gap between Excel-based modeling and Power BI reporting. - The launch also positions RASON Desktop as a bridge product for organizations that want to reuse existing Excel models inside Power BI workflows. - The AI assistant support suggests Frontline Systems is trying to lower the learning curve for users who are new to optimization and simulation.

What's next: - Users can test the product through the 15-day trial and install it through VS Code. - Organizations with existing Excel models can evaluate whether to translate them into RASON for Power BI deployment. - Frontline Systems’ cloud and desktop tools appear positioned to support broader use across Power BI Service, Power Automate and Power Apps.

The bottom line: - Frontline Systems is trying to make advanced decision modeling a native part of Power BI instead of a separate step outside the dashboard.