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 KleinFLUX.2 ProQwen Image 2.0Nano Banana 2
DeveloperBlack Forest LabsBlack Forest LabsAlibabaGoogle
ArchitectureDiT + Qwen3 (4B)Flow Transformer (32B)Unified Gen + Edit (7B)Gemini 3.1 Flash
Max Resolution1K2K2K nativeUp to 4K
SpeedSub-second5–10 secFast (7B)4–6 sec (1K)
Image Quality
Text Rendering
Reference ImagesUp to 5Up to 3NoUp to 14
Aspect Ratios710414
EditingInpainting, style transferEditing via prompts, image expandFull editing modeNo
LicenseApache 2.0 (4B)ProprietaryProprietaryProprietary
Best ForSpeed, rapid iterationPremium quality, photorealismProfessional content, text-heavyConsumer-grade, storytelling

Start creating with FLUX.2 Klein

200 free credits. All models. No card required.