Julian 1.2 NXT
Lightning-speed 3D generation for rapid ideation, quick iterations, and high-volume pipelines where turnaround matters most.
A Production-Ready API
for Generative 3D
Powered by Julian NXT, Threedium’s generative 3D system, the API lets you programmatically create, process, and deploy 3D assets and experiences — built for real products and real workflows.
Trusted Globally
Trusted by the world’s leading brands
Threedium is the most powerful 3D infrastructure on the web built for creation, deployment, and enhancement at scale.
Core Capabilities
Key API CapabilitiesPowered by Julian NXT
Explore the core capabilities behind Julian NXT — from fast, high-quality 3D generation to flexible workflows designed for real-world creation, integration, and scale.
Text to Model
Simply describe what you want, and watch as our AI creates custom 3D models—no technical skills required.
Image to Model
Transform any object photo into an accurate 3D model instantly, with automatic background removal.
Segmentation
Auto segment your model and make each part editable.
Animation
Bring static models to life with our automated animation tools, perfect for storytelling and interactive experiences.
FLAGSHIP AI MODELS
Meet the Julian NXT Model Family
Five next-generation models built on the Julian Neural eXtended Transformer, Threedium's AI model for 3D creation. Each version delivers a unique balance of speed, detail, and quality—designed to fit every workflow, from instant prototyping to photorealistic 3D production.
Choose the Julian NXT model that fits what you're building.Choose the Julian NXT model that fits what you're building.
fast
Speed
95%
detail
72%
quality
70%
Balanced
Julian 2.3 NXT
A well-rounded model that delivers both speed and reliable quality. Ideal for production workflows that require strong results without long generation times.
Speed
85%
detail
80%
quality
78%
Advanced
Julian 3.5 NXT
Enhanced fidelity and precision. Ideal for polished models and commercial use cases requiring clean topology, strong textures, and consistent material accuracy.
Speed
75%
detail
88%
quality
90%
high fidelity
Julian 4.2 NXT
A high-performance model built for demanding visual pipelines. Delivers production-ready results suitable for AR/VR, real- time engines, and advanced 3D experiences.
Speed
68%
detail
93%
quality
95%
Flagship
Julian 5.0 NXT
Our highest-quality model. Maximum realism, accuracy, and material definition. Built for cinema-grade visuals, AAA pipelines, and premium brand experiences.
Speed
60%
detail
98%
quality
99%
Powering Innovation Across Industries
From virtual worlds to physical products, Julian enables creators to build faster and smarter.
10x faster asset creation
Metaverse / VR / AR / XR
Power next-generation virtual experiences with AI-generated 3D assets. Create immersive environments, avatars, and interactive objects for virtual reality, augmented reality apps, and metaverse platforms. Reduce development time from weeks to hours while maintaining AAA quality standards.
Production-ready STL files
3D Printing / Fashion / Toys / Hardware
Revolutionize physical product development with instant 3D model generation. Perfect for rapid prototyping, custom toy manufacturing, fashion accessories, and hardware design. Export print-ready files with optimized geometry and structural integrity for immediate fabrication.
AAA game-ready quality
Gaming / Animation / Film / CG
Accelerate game development and content creation with AI-powered 3D assets. Generate detailed characters, props, environments, and VFX elements at scale. Perfect for indie developers and AAA studios alike, with full support for PBR materials and animation-ready rigs.
Photorealistic renders
Industrial / Architecture / Home Design
Transform architectural and industrial workflows with photorealistic 3D visualizations. Create stunning renders of buildings, interiors, and product designs. Streamline client presentations with interactive 3D models that showcase every detail before construction begins.
94% higher conversions
E-commerce / Branding / Advertising
Boost online sales with interactive 3D product visualization. Enable customers to view products from every angle, customize colors and materials in real-time, and experience AR try-on features. Increase conversion rates by up to 94% with engaging 3D content.
3x engagement boost
Social Media / Streaming
Stand out on social platforms with eye-catching 3D content. Create viral AR filters, animated emojis, virtual streaming backgrounds, and interactive posts. Engage audiences with immersive storytelling that drives shares, likes, and follower growth.
Powerful Capabilities
Everything you need to build exceptional 3D experiences at scale. From generation to delivery, we've got you covered with production-ready infrastructure.
Text to 3D Generation
Transform natural language descriptions into detailed 3D models. Our advanced AI understands complex prompts and generates accurate geometry with proper proportions and realistic details.
Powered by multi-modal diffusion models
Image to 3D Conversion
Upload a single image and receive a complete 3D model. Our neural reconstruction technology captures depth, texture, and geometry from 2D references with remarkable accuracy.
Single-view 3D reconstruction
Automatic Optimization
Models are automatically decimated and optimized for your target platform. Choose between high-poly for rendering or low-poly for real-time applications with automatic LOD generation.
Intelligent polygon reduction & LODs
Batch Processing
Process thousands of models simultaneously with our distributed rendering infrastructure. Asynchronous webhooks keep you updated on job status with real-time progress tracking.
Concurrent processing at scale
Enterprise Security
SOC 2 Type II compliant infrastructure with end-to-end encryption. Your models and API keys are protected with industry-leading security standards and regular audits.
256-bit AES encryption at rest
Global CDN Delivery
Models are instantly distributed across our global CDN with edge caching in 190+ locations. Lightning-fast downloads anywhere in the world with 99.99% uptime SLA.
Edge delivery in 190+ countries
Enterprise-Ready Infrastructure
SOC 2 compliant • 99.99% uptime SLA • 24/7 support • Dedicated infrastructure available
Technical Specifications
Built to handle enterprise-scale workloads
Max Model Size
1M+ polygons
Max Texture Resolution
4K (4096x4096)
Supported Formats
GLB, GLTF, FBX, OBJ, USD, STL, PLY
Average Generation Time
5-10 seconds
API Rate Limit
100 requests/minute (adjustable)
Max File Upload
500MB
The Future of AI-Powered DevelopmentComing Soon
Threedium MCP
The Connected Layer Between AI, Code, and 3D
Threedium MCP (Model Context Protocol) links your IDE directly to the Threedium API, enabling developers to generate, transform, and publish 3D models with AI. It integrates seamlessly with Cursor, VS Code, and Claude Code, bringing intelligent 3D generation and automation into your coding workflow.
No dashboards. No switching tools. Just code, AI, and creation.
Seamless Connection
Direct IDE Integration
Link your IDE directly to Threedium API. Generate, transform, and publish 3D models without leaving your code editor.
- < 100ms latency
- Zero config setup
Zero Context Switching
AI-Powered Workflow
Intelligent 3D generation and automation integrated into your workflow. Generate models, apply transformations, export—all from your editor.
- Instant AI responses
- Smart auto-complete
most popular
Universal Compatibility
Multi-Platform Support
Works seamlessly with Cursor, VS Code, and Claude Code. Universal compatibility with your favorite development tools.
- 3+ IDE platforms
- Cross-platform sync
Join the Future of 3D Creation
Ready to Build with Julian NXT API?
Create, process, and deploy 3D programmatically.
Request API AccessNo credit card required • Free tier available • 24/7 support
Enterprise-grade security
Lightning-fast API
Global CDN