OpenBuildings Designer
OpenBuildings Designer is Bentley Systems multidiscipline BIM authoring software that combines architectural, mechanical, electrical, and structural modeling with energy simulation hooks, reality mesh context, and drawing production for building and transit projects.
OpenBuildings Designer gives architects and engineers a single MicroStation-class environment where disciplines share a coordinated 3D model instead of passing flat exports at every milestone. Parametric objects, drawing views, and visualization tools aim to keep documentation tied to the same elements energy and simulation teams review.
Bentley???s FAQ lists practical hardware guidance of 16 GB RAM minimum and 32 GB recommended plus roughly 24 GB free disk and 512 MB or higher video RAM for workable graphics performance (Bentley OpenBuildings Designer FAQ, 2026). Those baselines matter because federated campus models and reality meshes can spike memory quickly.
Beyond core authoring, marketing materials bundle companion capabilities such as OpenBuildings Energy Simulator for building performance studies, GenerativeComponents for associative optioneering, and Station Designer for rail facilities. European projects also receive OpenBuildings Speedikon after a separate installer, adding localized templates aligned with DIN and VOB expectations.
Licensing follows Bentley???s broader patterns: annual Virtuoso Subscriptions through the eStore, perpetual seats with SELECT maintenance, or enterprise agreements for global portfolios. Always confirm currency, token counts, and training credits with your Bentley account manager because regional stores show different bundles.
Specifications
Pricing
Platforms
Used for
Used by
Tasks
Pros and cons
Pros
- Keeps multiple building disciplines inside one vendor stack with shared data rights
- Optional energy and generative modules reduce context switching during early design
- Reality mesh referencing helps site-constrained projects
- Speedikon package answers Central European code documentation expectations
Cons
- Hardware requirements climb quickly for large federations or point clouds
- Companion tools still need separate awareness of licensing bundles
- Learning curve mirrors deep Bentley platform conventions
- Pricing and SELECT maintenance paths require Bentley-specific procurement literacy
Key features
Multidiscipline BIM authoring: Model architecture plus mechanical, electrical, and structural systems inside one application workflow.
Energy Simulator integration: Run building performance studies without round-tripping through a separate neutral format for every iteration.
Reality mesh context: Reference captured site conditions behind design geometry for urban and retrofit projects.
GenerativeComponents: Explore parametric design options while keeping associative relationships intact.
Station Designer add-on: Target complex rail and transit facilities with specialized layout helpers.
OpenBuildings Speedikon bundle: Adds German-market documentation datasets when you install the regional package alongside Designer.
Pricing
Virtuoso Subscription (12-month)
per year (12 mo)
Free
Bentley promotes low upfront annual leases via the eStore with bundled training keys; amount varies by region and bundle. Confirm auto-renewal terms before checkout.
Perpetual license with SELECT
Contact sales
Perpetual purchases include yearly SELECT maintenance for support and license pooling options; request a formal quote for capital accounting.
Frequently asked questions
Is OpenBuildings Designer the same as MicroStation?
It shares Bentley???s modeling platform heritage but packages building-specific disciplines, datasets, and vertical modules. You still interact with familiar DGN-style data but gain BIM-oriented toolsets tuned for architecture and MEP.
Does OpenBuildings Designer include energy analysis?
Marketing copy positions OpenBuildings Energy Simulator as an integrated module for evaluating efficiency scenarios. Validate solver assumptions against your local code authority and any third-party peer review requirements.
What is OpenBuildings Speedikon?
Speedikon is a localized design and documentation bundle for Germany and neighboring markets, shipped alongside Designer but installed separately. It emphasizes DIN and VOB-aligned drawings and detailing standards.
How is OpenBuildings licensed?
Bentley advertises 12-month Virtuoso Subscriptions online, perpetual licenses with SELECT support, and enterprise programs for large organizations. Each path bundles different training credits or token policies, so read the quote carefully.
Can distributed teams collaborate in real time?
Product messaging describes a collaborative environment backed by a federated data model for simultaneous work. You still need project standards for worksets, sync intervals, and clash ownership, just like any other multi-office BIM deployment.
What PC hardware should we budget?
Official FAQs recommend 16 GB RAM minimum, 32 GB preferred, 24 GB free disk, and at least 512 MB video RAM. Increase specs when you add reality meshes, animation, or cloud rendering integrations.