Pay for the hours you get back

Start free, then let Sillmark work inside your tools. Move up, down, or cancel whenever you like.

Free

For individuals trying Sillmark's chat and suggestions.

$0/month

Get started

Standard

For individuals and small firms ready to let Sillmark edit in Plinth BIM.

$99/month

Contact us

Business

For mid-size firms and teams working across offices.

$295/month

Contact us

Enterprise

For large firms, universities and multi-office setups.

Custom

Contact us
Plan comparison
FeatureFreeStandardBusinessEnterprise
Chat widget: ask about your model
Projects1 projectUnlimitedUnlimitedUnlimited
In-tool agent in Plinth BIMNot included
Suggestions as you designNot included
Edit on approvalNot included
More tools (Ridgeline CAD, Corbel, Mullion 3D)Not included
Sillmark DashboardNot includedNot included
Firm standards Sillmark learnsNot includedNot included
Team view & shared approvalsNot includedNot included
Admin, SSO, audit logsNot includedNot included
API & data exportNot includedNot included
SupportCommunityEmailEmail & chatPriority email & chat
Buy top-up creditsNot included

FAQs

Got questions? We've got answers

No. Every edit waits for your approval and is shown as a before-and-after first.

Models are processed in your region, encrypted in transit and at rest, and never used to train shared models.

Plinth BIM, Ridgeline CAD, Corbel and Mullion 3D. The Free plan covers the chat widget only.

Yes. The Free plan has no time limit, and paid plans start with a 14-day trial.

The chat widget, suggestions on one project, and community support.

Yes. Changes apply from the next billing date, and cancelling keeps your history for 90 days.

See what Sillmark can do in your model

Book a demo and we'll show Sillmark working inside one of your own projects.