Flux 2 klein AI Image Generator
Flux 2 klein is the fastest AI image generation model from Black Forest Labs, featuring sub-second inference, unified generation and editing, and photorealistic quality.
Image Generation
High-quality Flux 2 Klein model with 4B/9B parameter options, supports text-to-image and edit modes
Advanced Settings
You can upload up to 8 images.
Image Generation
High-quality Flux 2 Klein model with 4B/9B parameter options, supports text-to-image and edit modes
Advanced Settings
You can upload up to 8 images.
Core Features
The fastest, most versatile AI image model from Black Forest Labs
Sub-Second Inference
Flux 2 klein delivers end-to-end inference in under 0.5 seconds. Real-time responsiveness makes it ideal for interactive design tools and instant creative workflows.
Photorealistic Quality
Despite its compact size, Flux 2 klein achieves stunning photorealistic output that matches or exceeds models 5x its size. Every image is gallery-ready.
Unified Generation & Editing
No need to switch models. Flux 2 klein combines text-to-image generation and image editing in a single architecture—create to refine in one seamless workflow.
Consumer Hardware Ready
Run Flux 2 klein 4B with just 13GB VRAM on consumer GPUs like RTX 3090/4070. Brings enterprise-level AI to your desktop.
Multiple Model Variants
Choose between Flux 2 klein 9B for maximum quality or Flux 2 klein 4B for speed and efficiency. Both support text-to-image and image editing modes.
Open Source (Apache 2.0)
Flux 2 klein 4B is fully open source under Apache 2.0. Use for commercial projects, local development, and edge deployment with zero restrictions.
Frequently Asked Questions
Everything you need to know about Flux 2 klein
Q:What is Flux 2 klein and how fast is it?
A: Flux 2 klein is the latest AI image generation model from Black Forest Labs, designed for sub-second inference. End-to-end generation completes in under 0.5 seconds, making it ideal for real-time interactive applications.
Q:What's the difference between Flux 2 klein 9B and 4B?
A: Flux 2 klein 9B is the flagship model offering the best quality-to-speed balance. Flux 2 klein 4B is the ultra-fast, fully open-source variant (Apache 2.0), requiring only 13GB VRAM—perfect for consumer GPUs.
Q:What hardware is required to run locally?
A: Flux 2 klein 4B runs on consumer GPUs with as little as 13GB VRAM (RTX 3090, RTX 4070). Flux 2 klein 9B requires 16-24GB VRAM for optimal performance.
Q:Does Flux 2 klein support image editing?
A: Yes. Flux 2 klein features a unified architecture that combines text-to-image generation and image editing in a single model. You can seamlessly transition from creating to refining.
Q:How many credits does generation cost?
A: Flux 2 klein 4B text-to-image costs 2 credits, Flux 2 klein 9B text-to-image costs 4 credits, Flux 2 klein 4B edit costs 4 credits, and Flux 2 klein 9B edit costs 6 credits.
Q:Can I use Flux 2 klein commercially?
A: Yes. Flux 2 klein 4B is released under Apache 2.0, allowing unlimited commercial use. Flux 2 klein 9B uses the FLUX NCL license. All images generated through our platform are yours to use.