Spline AI

What is Spline AI?

Spline AI is a browser-based 3D design tool that lets you generate 3D objects, scenes and animations directly via AI prompts for websites and interactive digital experiences. You type a description, for example 'a shiny blue planet with a rotating ring', and Spline creates the object including materials and basic animation, which you then refine further in the visual editor. Because everything runs in the browser, no software installation is needed and collaboration works similarly to Figma.

How does Spline AI work?

Spline combines a traditional 3D modeling editor with an AI generation layer and a real-time renderer based on WebGL and WebGPU. The AI component translates text prompts into object geometry and materials, while the renderer makes the result immediately visible in the browser. Exported scenes run as a lightweight JavaScript component on the end user's device, with support for physics, variables and event-based interactivity. An important advantage is the native export to code: 3D content can be built directly into a React or Next.js project without you having to set up a rendering engine yourself.

Key features

• AI prompt-to-3D — generate objects, materials and basic animation from a text description.
• Visual editor — full control over geometry, materials, lighting and animation after generation.
• Code export — use the output directly as a component in React or web projects.
• Interactivity — physics, variables and events for game-like web experiences.
• Import existing models — load GLTF or FBX files and extend them with AI features.

Use cases and alternatives

Spline is used for hero animations, product visualizations, interactive UI elements and game-like web experiences. The tool stands out from purely generative 3D tools such as Meshy, which produces game assets for external engines, through its strong focus on web integration. Compared with manual coding libraries such as Three.js or Babylon.js, the visual editor considerably lowers the technical barrier.

Who is it for?

Spline AI is aimed at web designers, front-end developers and creative studios that want to add 3D to digital products without in-depth knowledge of software such as Cinema 4D or Blender. Especially developers who want to integrate 3D elements into a Next.js website greatly shorten production time compared with manually writing WebGL or Three.js code.