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Sketchfab vs Spline: catalog facts
Sketchfab	Spline
Best for: 3D artists who want to publish and embed their models online	Best for: Real-time collaborative 3D design tool that runs in the browser
Free + paid options Free to join, with paid plans for creators and businesses.	Free + paid options Free tier available; paid plans unlock additional features.
Web	Web
Interactive 3D viewer that runs in any browser Embeddable on other websites All 4 strengths for Sketchfab Interactive 3D viewer that runs in any browser Embeddable on other websites VR and AR viewing Large library of downloadable models	Real-time collaboration built directly into a 3D tool Runs in the browser with no install needed
Uploading and publishing require an account Model marketplace has moved to Fab	Advanced features and export options require a paid plan Browser performance can limit very complex scenes
Web application, Hosted service	Web application
Not open source	Not open source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for Sketchfab sketchfab.com Catalog checked October 2, 2026	Official website Full listing and sources Sources for Spline spline.design Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.