Everything you need to model complex systems

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Visual Modeling

Stocks, flows, converters, and connectors with drag-and-drop precision. Auto-layout and polarity analysis built in.

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Advanced Simulation

Euler and RK4 integration. Sensitivity analysis, Monte Carlo, and scenario comparison — all in the browser.

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AI Intelligence

Chat with AI about your model. Upload documents and let AI extract system dynamics structures automatically.

cloud_sync

Cloud & Deploy

Save models to the cloud. Deploy them as REST APIs. Share with teams. Version control built in.

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External Data

Connect to FRED, ECB, World Bank, OECD. Bind real economic data directly to your model variables.

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Sovereign by Design

Your data stays yours. BYOK encryption, EU-hosted infrastructure, GDPR-compliant by architecture.

Built for decision-makers

Government

Policy & Governance

Model regulatory impact, compliance costs, and governance maturity across digital ecosystems.

Enterprise

Business Strategy

Simulate market entry, pricing strategies, and competitive dynamics before committing resources.

Academia

Research & Education

Teach system thinking with interactive models. Publish simulations as shareable artifacts.

API & Integrations

REST API

Deploy your models as REST API endpoints. Auto-generated documentation, API key management, and 1000 calls/month included in Creator tier.

View API Docs →

ToolUniverse & MCP

Listed on ToolUniverse — the open ecosystem of 1000+ scientific tools for AI scientists. Native MCP (Model Context Protocol) server coming soon, enabling any LLM to run simulations directly.

Explore ToolUniverse →

External Data Sources

Connect directly to FRED, ECB, World Bank, and OECD data feeds. Bind macroeconomic indicators to model variables in real-time.

Export & Interoperability

Export models as JSON, CSV, PNG, SVG, or PDF. Import/export XMILE format for compatibility with Vensim, Stella, and iThink.

Choose your architecture

Scalable modeling systems — from local simulations to distributed enterprise infrastructure.

info All paid tiers include a 30-day free trial, no payment required.

Core Layer

Free

€0

check_circle Full modeling + simulation (Euler/RK4)
check_circle Advanced analysis (sensitivity, Monte Carlo)
check_circle Export CSV/PNG/SVG/JSON locally
check_circle 8 templates included
check_circle Save/Load local (localStorage)

Standard

€3.99 / month

Includes everything in Free, plus:

add_circle AI Chat (Mistral)
add_circle BYOM (Bring Your Own Model)
add_circle Cloud Save (max 100 files)
add_circle Export PDF & Chat History
add_circle External Data (FRED, ECB, OECD)

Popular

Pro Node

Premium

€7.49 / month

Includes everything in Standard, plus:

bolt AI Premium Models (GPT-4, Claude)
add_circle Document Intelligence (RAG)
add_circle Upload PDF → Model Extraction
add_circle 50 MB Cloud (docs + vectors)

Developer

Creator

€14.99 / month

Includes everything in Premium, plus:

add_circle API Deploy (3 models included)
add_circle 1 GB Cloud Storage
add_circle API Key Management
add_circle 1000 calls/month per endpoint
add_circle Auto-generated API Docs

30-Day Trial Policy

All Standard, Premium, and Creator plans start with a free 30-day trial. No payment details required for activation. After 30 days, access to paid features is locked until a subscription is confirmed.

Security & Sovereignty

Moltke Architect prioritizes user control. Regardless of the tier chosen, your modeling data can be stored locally. In the cloud, we use industry-standard encryption protocols to ensure the integrity of your architectures.