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ACTUARIAL OPERATING PLATFORM

Milliman Opensource Platform System

Turn Python actuarial models into secure, scalable production applications. Milliman Opensource Platform System is a cloud-native SaaS platform that helps teams automate actuarial modeling workflows, scale compute on demand, and use agentic AI to work with models and results.

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THE CHALLENGE

Using Python models in production creates operational complexity

Many organizations develop powerful actuarial models in Python but struggle to operate them at scale. Infrastructure maintenance, security updates, workflow management, version control, and peak-period demands create ongoing operational burdens. Internal platforms often require significant investment and long-term support, diverting valuable resources away from analysis, innovation, and business outcomes.

THE SOLUTION

Deploy and scale with confidence

Milliman Opensource Platform System provides a production-ready python actuarial SaaS platform designed specifically for model execution and governance. Teams can manage inputs, configure runs, monitor performance, automate processes, and maintain complete traceability through a single web-based environment. Azure-hosted infrastructure scales automatically as demand changes, helping organizations support critical reporting and regulatory workloads efficiently. The integrated AI assistant boosts productivity, through task automation, and actuarial support.

BENEFITS

Milliman Opensource Platform System benefits

Accelerate time to production

Start running production models immediately without building platform infrastructure.

Reduce maintenance burden

Shift platform operations, upgrades, and monitoring to a managed service.

Scale on demand

Adjust resources automatically during peak reporting and closing periods.

Strengthen governance and traceability

Maintain complete visibility into inputs, runs, parameters, and changes.

Enable end-to-end automation

Coordinate complex modeling processes through integrated workflow orchestration.

Improve productivity with AI

An embedded AI agent explains model behaviour, assists with run configuration and helps explore results.

FEATURES

Milliman Opensource Platform System features

Manage projects and users

Control permissions, authentication, governance, and environment configuration centrally.

Track model inputs

Maintain version history and full traceability.

Configure advanced simulations

Run single scenarios, analysis of change studies, and sensitivity testing.

Monitor execution performance

Track queues, errors, execution times, and resource utilization continuously.

Orchestrate complex workflow processes

Coordinate dependencies, tasks, and resources across production environments.

Leverage an embedded AI assistant

Query models, compare results, generate documentation, and explore configurations.

Built for modern actuarial operations

Milliman Opensource Platform System supports organizations that rely on large-scale actuarial modeling and advanced analytics. Through native integrations with Git repositories, secure file transfer protocol, Snowflake, Excel, Power BI, and other enterprise systems, the platform connects seamlessly with existing technology environments. Teams can automate data movement, streamline execution, and support end-to-end automation across the modeling lifecycle.

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Scale regulatory closing cycles


Increase compute capacity during peak reporting periods while maintaining performance and control.

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Support advanced model studies


Execute large-scale sensitivity testing and analysis of change with consistent governance.

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Automate production workflows


Connect models, data sources, and downstream reporting through secure end-to-end automation.

We’re here to help

Ask the tough questions. We’re ready for them.