Bentley GenerativeComponents

free standalone download; also licensed as a companion feature inside OpenBuildings Designer / SELECT subscription workflows Design the Building

Bentley's parametric and associative computational-design environment for architects and engineers, delivered as a standalone free download or companion feature inside OpenBuildings Designer, with graphical nodes, script-driven logic, MicroStation-hosted geometry, and a .NET/API surface for custom node types and service-mode automation.

Made by Bentley Systems, public (BSY, $10.1B)

3.4 /5 composite score

C2 4/5 reflects the documented C# add-in API, GC service mode, and script-function surface, while C4 4/5 reflects DGN-native modeling plus DWG, DXF, OBJ, IGES, STL, 3DM, and SKP exchange. C1 4/5 reflects the standalone free-download path, but C3 2/5 stays constrained by the Windows desktop and OpenBuildings/MicroStation learning curve.

Solid

Rubric Scorecard

How we grade →

Criterion	Score	Evidence
Value for the price	4/5	free standalone download; also licensed as a companion feature inside OpenBuildings Designer / SELECT subscription workflows, from $0, free tier Source →
Agent Friendliness	4/5	API: C#/.NET add-in API plus GC service mode for external clients; custom script functions and user-defined node types run against the underlying GC/MicroStation model Source →
Ease of adoption	2/5	desktop-install, steep learning curve Source →
Portability & lock-in	4/5	8 file formats Source →
Interoperability	3/5	3 integrations Source →

Pricing

Modelfree standalone download; also licensed as a companion feature inside OpenBuildings Designer / SELECT subscription workflows

Entry price$0

Free tieryes

Free viewerno

Trialno

Free tier scopeusable

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How we verified this: we checked Bentley GenerativeComponents against its live site and an independent source — aecmag.com. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-29.

Evidence

File formats

Format	Direction	Support
DGN	native	full -- GC opens in an active DGN file and exports through the underlying MicroStation workflow.
DWG	both	full
DXF	both	full
OBJ	both	unknown
IGES	export	unknown
STL	export	unknown
3DM	import	unknown
SKP	import	unknown

Integrations

OpenBuildings Designer MicroStation Excel

Adoption

Deploymentdesktop-install

Implementation requiredoptional

Training requiredtutorials

Learning curvesteep

Sources

Pricing API docs Formats Integrations Onboarding docs

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