Blender and Spline serve different corners of the 3D animation world. Blender is a desktop powerhouse for film-quality 3D work, while Spline focuses on web-based 3D experiences with real-time collaboration and browser deployment. Your choice depends on whether you need studio-grade production tools or fast, interactive web graphics.
Blender has earned its place as the leading open-source 3D creation suite, trusted by everyone from solo freelancers to major animation studios. The software delivers a complete production pipeline including modeling, sculpting, rigging, animation, simulation, rendering with Cycles and Eevee engines, compositing, and video editing. Its capabilities rival those of commercial packages that cost thousands of dollars annually.
The learning curve is steep but the return is substantial. Blender's active community produces tutorials, add-ons, and asset libraries that extend its functionality far beyond the base install. Regular updates bring cutting-edge features like real-time ray tracing, geometry nodes for procedural workflows, and advanced simulation systems. Studios use it for feature films, TV series, commercials, and game cinematics. The software runs on Windows, macOS, and Linux with full feature parity across platforms.
Spline brings 3D design into the browser with a focus on speed and accessibility. The web-based tool lets designers create 3D scenes, animate objects, and add interactivity without leaving their browser. Real-time collaboration means multiple team members can work on the same project simultaneously, similar to Figma's approach for 2D design. Exports work as embeddable code for websites or as standalone files.
The interface prioritizes simplicity over depth. Designers familiar with tools like Figma or Sketch will recognize the workflow patterns. Spline excels at product visualizations, landing page graphics, and interactive marketing content. The physics engine handles basic simulations, and the material system covers common surface types. Performance stays smooth because everything is optimized for web rendering. Projects export as lightweight code that runs on modern browsers without plugins or heavy downloads.
Comprehensive polygon modeling, sculpting with millions of polygons, procedural geometry nodes, curve and surface tools
Basic primitive shapes, boolean operations, path tools, modifier stack for common operations
Full rigging with bones and constraints, shape keys, NLA editor, graph editor, physics simulations including cloth and fluids
Keyframe animation, timeline with easing curves, state transitions, event triggers for interactivity
Cycles path tracer and Eevee real-time engine, support for render farms, unlimited resolution, advanced material nodes
WebGL-based real-time rendering optimized for browser performance, standard PBR materials, limited output resolution
GLB/GLTF export for web requires manual optimization and external hosting setup
Direct embed code generation, hosted URLs, optimized for web from the start with automatic performance tuning
File-based workflow requiring version control systems or cloud storage, no built-in multi-user editing
Real-time multiplayer editing with live cursors, commenting, version history, shared libraries
Massive community with thousands of tutorials, documentation, courses, and active forums spanning two decades
Growing library of official tutorials and examples, smaller community but focused on web-specific use cases
Blender offers unbeatable value as a genuinely free professional tool. Spline's free tier works for experimentation but most professional work will need the Pro plan. Over time, Blender costs nothing while Spline runs $108 annually. The pricing difference matters less if you specifically need Spline's web-native features and collaboration.
These tools target fundamentally different workflows. Choose Blender when your work demands maximum creative control, offline rendering power, or complex production pipelines. Its depth supports everything from architectural visualization to feature film VFX. The time investment in learning Blender pays dividends for anyone building a career in 3D production.
Spline makes sense when your deliverable lives on the web and speed matters more than ultimate quality. Design teams working on marketing sites, product launches, or interactive brand experiences will appreciate the collaborative workflow and instant deployment. The browser-based approach removes technical barriers but also sets a ceiling on complexity. Most professionals working in both traditional production and web content will eventually use both tools for their respective strengths.