FLUX.1 Schnell
The fastest model in the FLUX family, optimized for rapid image generation while maintaining high quality. Ideal for real-time applications and quick iterations.
Try FLUX.1 Schnell
Use FLUX.1 Schnell for lightning-fast text-to-image and image-to-image generation
What's FLUX.1 Schnell
Black Forest Labs' ultra-fast AI image generation model that delivers professional quality in seconds
FLUX.1 Schnell represents a breakthrough in AI image generation speed, achieving professional-quality results in just 1-4 inference steps. Built by the original creators of Stable Diffusion at Black Forest Labs, it combines cutting-edge rectified flow transformer architecture with latent adversarial diffusion distillation to deliver the fastest image generation in the FLUX family while maintaining exceptional quality.
Key Highlights
Revolutionary Speed Technology
Uses latent adversarial diffusion distillation to generate high-quality images in just 1-4 steps with sub-second response times, making it the fastest model in the FLUX family.
12 Billion Parameter Architecture
Built on a powerful 12 billion parameter rectified flow transformer with multimodal and parallel diffusion transformer blocks, surpassing traditional diffusion models in efficiency.
Superior Performance Benchmarks
Outperforms established models like Midjourney v6.0 and DALL·E 3 (HD) in visual quality, prompt following, and output diversity, setting new standards for few-step models.
Commercial License Freedom
Released under Apache 2.0 license with complete commercial freedom, cost-effective pricing at $0.003 per megapixel, and support for resolutions up to 2K with flexible aspect ratios.
Technical Specifications
Duration
Resolution
Up to 2K (0.1-2.0 megapixels)
Aspect Ratio
Frame Rate
Audio
Input Types
Text prompts up to 256 tokens
Max Prompt Length
FLUX.1 Schnell's Speed-Optimized Features
Experience lightning-fast AI image generation with FLUX.1 Schnell's optimized performance and quality balance
Ultra-Fast Generation
Optimized for speed with inference times up to 10x faster than standard models. Generate high-quality images in just 1-4 inference steps, perfect for rapid prototyping and real-time applications.
Apache 2.0 Open Source
Freely available under Apache 2.0 license for both personal and commercial use. No restrictions on usage, modification, or distribution, making it ideal for developers and businesses.
12 Billion Parameter Architecture
Built on a robust 12 billion parameter rectified flow transformer architecture, ensuring sophisticated understanding of prompts while maintaining lightning-fast generation speeds.
Distillation Technology
Advanced latent adversarial diffusion distillation enables high-quality output with minimal inference steps. Maintains excellent image quality while dramatically reducing computational requirements.
Flexible Aspect Ratios
Generate images in multiple aspect ratios including 1:1, 4:3, 16:9, and custom dimensions from 512x512 to 1024x1024 pixels with consistent speed performance across all formats.
Competitive Prompt Following
Excellent natural language understanding with accurate interpretation of complex prompts, artistic styles, and creative instructions while maintaining ultra-fast generation speeds.
Batch Processing Optimization
Efficiently process up to 4 images simultaneously with optimized memory usage. Perfect for high-throughput workflows and automated content generation pipelines.
Multi-Format Output
Generate images in PNG and JPEG formats with configurable quality settings. Supports transparency needs with PNG and optimized file sizes with JPEG compression.
Advanced Safety Integration
Built-in safety checker system with configurable tolerance levels. Automatically filters inappropriate content while preserving creative freedom for legitimate artistic expression.
Intelligent Seed Control
Reproducible generation with seed-based randomization control. Use specific seeds for consistent results or random seeds for creative exploration and variation testing.
Acceleration Modes
Multiple acceleration options including Regular and High modes for different performance requirements. Balance between speed and quality based on your specific use case needs.
Local Development Ready
Optimized for local deployment with minimal hardware requirements. Perfect for development environments, edge computing, and offline applications without compromising quality.
Flux Schnell Frequently Asked Questions
How to Use FLUX.1 Schnell for Text-to-Image
Master fast image generation with FLUX.1 Schnell's optimized workflow
Create Efficient Prompts
Use Optimal Settings
Iterate Quickly
How to Use FLUX.1 Schnell for Image-to-Image
Transform images rapidly with FLUX.1 Schnell's fast image-to-image capabilities
Upload Quality Source Images
Write Transformation Prompts
Optimize for Speed
Pricing
Choose the plan that's right for you. No hidden fees, no surprises.