AI 3D and CAD generators
Spline
Short answer
Browser-based 3D design tool for interactive web scenes, with AI generation of 3D objects, textures and images plus an AI agent and MCP access on paid tiers. Free plan. From $15 a month billed monthly, or $12 a month billed yearly (Hobby).
Our verdict on Spline
Spline is a good fit for web designers who want AI-assisted interactive 3D with code export, as long as they pay for Pro.
- Best for
- Designers building interactive 3D scenes for websites
- Not for
- Game studios needing production mesh pipelines or bulk asset output
Pros
- Code export, API access and an MCP server are all confirmed.
- The Hobby plan starts at $15 a month with 2,000 AI credits.
Cons
- The free plan has watermarked web exports and no AI credits.
- Code and STL export require Pro, and version history is Enterprise only.
Based on the vendor's own pages, not hands-on testing.
What is Spline?
Browser-based 3D design tool for interactive web scenes, with AI generation of 3D objects, textures and images plus an AI agent and MCP access on paid tiers.
The vendor describes it as: Start creating realtime 3D design experiences for free.
- Vendor
- Spline
- Works through
- Web, API
- Built for
- Designers, Developers
How much does Spline cost?
| Free plan | Free plan: Limited files, watermarked web exports, 20 MCP calls/day, no AI credits. |
|---|---|
| Cheapest paid plan | From $15 a month billed monthly, or $12 a month billed yearly (Hobby) |
| Highest self-serve plan | 70 a month (Max) |
| Credit-based usage | Yes |
| Enterprise plan | Yes |
Not verified: free trial.
Prices are in US dollars, as shown on the vendor's own page on November 1, 2026. Vendors change them often, so confirm on the pricing page before you buy.
What does Spline make, and from what?
- Output
- 3D model, Prototype, Animation
- Starting points
- Text prompt, Image reference
- Way of working
- Canvas with AI assist
What features does Spline have?
7 of 23 tracked features have a verified answer from an official page. The rest are folded under Not verified.
Creating
- Refine the result by chattingYes
- Visual editor for the outputYes
- Template libraryYes
Working with others and other tools
- Version historyPartly
- API accessYes
- MCP serverYes
Shipping the result
- Export codeYes
Not verified (16)
We could not read these from an official page. That is neither a yes nor a no.
- Multi-page output
- Responsive output
- Brand kit or design system
- Start from an image or screenshot
- Start from a URL
- Clickable prototypes
- Train a custom style or model
- Real-time collaboration
- Integrations or plugins
- Mobile app
- Import from Figma
- Export to Figma
- One-click publish or hosting
- Custom domain
- Backend and database
- Built-in sign-in or payments
What can you export from Spline?
Export formats named by the vendor: STL, MP4, Other.
Who owns the output and what happens to your content?
| Single sign-on | Yes |
|---|---|
| Open source | No |
Not verified: Commercial use of output, Trains on your content, SOC 2 stated, GDPR stated, Self-hostable.
Read the vendor's terms and privacy policy before uploading client or confidential work.
What are the alternatives to Spline?
Other tools in AI 3D and CAD generators, chosen for overlapping output and audience. The order is alphabetical among close matches, not a ranking.
Kaedim Limited
Kaedim
Turns images into production-ready 3D assets using machine learning combined with an in-house art team. Output is quad-based low-poly meshes aimed at games, e-commerce and product design.
- Price not verified
Little verified
Meshy LLC
Meshy
Generates 3D models from text or images with AI texturing, remeshing and animation, with plugins for Blender, Unity, Unreal and other tools. Free tier plus credit-based paid plans.
- Free plan
Partly verified
Scenario
Scenario
Generative AI platform for game and creative teams: image, video and 3D mesh generation plus training of custom models on a team's own assets, with an API-first design.
- From $15/mo
- Free plan
Partly verified
Sloyd
Sloyd
Creates game-ready 3D assets from text or images and lets users tweak parametric templates in the browser. Offers Unity, Unreal and Blender plugins and a separate prepaid-credit API.
- From $15/mo
- Free plan
Partly verified
How they differ from Spline
- KaedimWay of working: prompt box, then canvasCompare Spline with Kaedim
- MeshyWay of working: prompt box, then canvasCompare Spline with Meshy
- ScenarioAlso makes image and video. Way of working: prompt box, then canvasCompare Spline with Scenario
- SloydWay of working: prompt box, then canvasCompare Spline with Sloyd
How was this checked?
Verification level: Partly verified. 7 of 23 tracked features have a verified answer. Last checked November 1, 2026. We have not tested Spline hands-on. See the methodology.
- spline.design (read November 1, 2026)
Something wrong or out of date? Send the page and an official source through the contact page. Confirmed fixes are made on the page. Back to all tools or all categories.