What is Spline AI
Spline is a browser-based 3D and interactive design platform. Its optional AI add-on generates and assists with 3D content inside Spline rather than operating as a separate base subscription.
Base-plan pricing
As of July 27, 2026, Free costs US$0 and includes limited files, unlimited viewers, and watermarked web exports. Starter costs US$15 month to month or US$12 per seat per month billed annually. Professional costs US$25 month to month or US$20 per seat per month billed annually.
Starter adds unlimited 3D and 2D files, video uploads, watermark removal, higher-resolution exports, and material and audio libraries. Professional adds unlimited folders, projects and scenes; video, app and code exports; variables, APIs and webhooks; and broader production features.
Spline AI and Enterprise
The Spline AI add-on costs US$5 per seat per month and includes 2,000 AI credits for AI 3D generation and related tools. Enterprise uses custom annual pricing and can add central licensing, team privacy, SAML SSO, self-hosting, version history, onboarding, security support, and custom AI-credit allowances.
Why select Spline AI
Free is useful for learning, Starter removes publishing constraints, Professional supports full interactive production, and the AI add-on is economical for teams that specifically need generative assistance within Spline.
Official source: Spline pricing.