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FLUX 3 Klein
FLUX 3 Klein is an online AI image generator and editor that creates and edits images with output up to 4K.
FLUX 3 Klein is an AI image model from Black Forest Labs with 5.6 billion parameters. It supports text-to-image generation, precise image editing, and multiple reference images, featuring output up to 4K. The platform accepts up to four reference images and includes built-in prompt enhancement to expand short instructions. Users can choose aspect ratios, select resolutions of 1K, 2K, or 4K, and download results in PNG, JPEG, or WebP formats. It is designed for creators, photographers, and designers looking to generate social posts, product showcases, and blog illustrations online.
FLUX 3 Klein at a glance
- Best for: Designer, Marketer, Social media creator
- Runs on: Web
- Pricing: Free plan; Starter $9.90/80 credits; Creator $19.90/200 credits; Studio $39.90/480 credits
- Released: October 2026
- Category: AI image tool
- Website: flux3klein.net
Key features
- Generate images from text prompts
- Edit existing images with reference uploads
- Select 1K, 2K, or 4K output resolution
- Enhance short prompts automatically
- Combine up to four reference images
- Download images in PNG, JPEG, or WebP format
Use it for
- Create social media posts and blog covers
- Design product concepts and showcases
- Edit specific parts of an existing image
- Combine multiple reference images into new scenes
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