What Flux 2 does
Flux 2 by Black Forest Labs generates images from text and edits them with reference images. Three models cover different needs: Flux 2 Pro for high-quality images with excellent prompt adherence, Flux 2 Flex for flexible style transfer, and Flux 2 Klein for ultra-fast, lightweight generation with LoRA support. Add reference images and Flux 2 switches to edit mode automatically.
- Reference-Based Editing
- Add reference images to your prompt and Flux 2 switches to edit mode — up to 8 references with Pro and Flex.
- Klein: Ultra-Fast Drafts
- Flux 2 Klein is the lightweight, fastest Flux variant — built for quick drafts and rapid iteration, with LoRA support.
- Pro: Prompt Adherence
- Flux 2 Pro delivers high-quality images that follow your prompt closely — a strong fit for photorealistic product shots and marketing visuals.
- Flex: Style Transfer
- Flux 2 Flex specializes in flexible style transfer — match the look of your reference images or explore creative, artistic interpretations.
How to use it
Choose Pro, Flex, or Klein
Select Pro for prompt accuracy, Flex for style transfer, or Klein for the fastest drafts.
Write Your Prompt
Describe the image you want. Optionally add reference images to edit or restyle — Flux 2 switches to edit mode for you.
Pick Format & Generate
Choose an aspect ratio — and 1K or 2K resolution on Pro and Flex — then generate.
Questions
Flux 2 is Black Forest Labs' image model family for text-to-image generation and reference-based editing. On The Factory it comes as Flux 2 Pro, Flux 2 Flex, and Flux 2 Klein.
Pro focuses on high quality and excellent prompt adherence. Flex is built for flexible style transfer. Klein is the ultra-fast, lightweight variant with LoRA support, made for quick drafts.
Add reference images and Flux 2 automatically switches to edit mode. Pro and Flex accept up to 8 reference images; Klein accepts one.
Flux 2 Pro and Flex generate at 1K or 2K. All three models support 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, and 2:3.