FLUX.2 Klein — sub-second AI image generation and editing

FLUX.2 Klein

Generate and Edit Images in Under a Second

One architecture for everything — generation, inpainting, style transfer, and object manipulation. FLUX.2 Klein delivers image creation and editing in a single sub-second pipeline.

Capabilities

Up to 5 ordered references, 7 native aspect ratios

Up to 5 Ordered References

Key Features

Sub-second speed, multi-reference consistency, unified architecture

Images in Under One Second

FLUX.2 Klein generates images faster than any comparable model. Sub-second inference at standard resolution means real-time creative iteration — explore dozens of variations in the time it takes other models to produce one.

Images in Under One Second

Style-Faithful Reference Blending

Feed the model multiple references and get results that actually follow them. FLUX.2 Klein maintains visual coherence — styles, subjects, and color palettes stay aligned across generations, making it reliable for series and brand-consistent content.

Style-Faithful Reference Blending

Unified Generation and Editing

No switching between specialized tools. FLUX.2 Klein handles text-to-image generation, inpainting, style transfer, and object manipulation through a single architecture powered by a Diffusion Transformer and Qwen3 text encoder.

Unified Generation and Editing

Compare Models

FLUX.2 KleinQwen Image 2.0Nano Banana 2
DeveloperBlack Forest LabsAlibabaGoogle
ArchitectureDiT + Qwen3 (4B)Unified Gen + Edit (7B)Gemini 3.1 Flash
Max Resolution1K2K nativeUp to 4K
SpeedSub-secondFast (7B)4–6 sec (1K)
Image Quality
Text Rendering
Reference ImagesUp to 5NoUp to 14
Aspect Ratios7414
EditingInpainting, style transferFull editing modeNo
LicenseApache 2.0 (4B)ProprietaryProprietary
Best ForSpeed, rapid iterationProfessional content, text-heavyConsumer-grade, storytelling

Start creating with FLUX.2 Klein

200 free credits. All models. No card required.