Flux Kontext: The Only AI with 21:9 Ultra-Wide Image Generation

Flux Kontext is the only AI image generator in the world supporting true 21:9 cinematic aspect ratio. This isn't a workaround or cropping solution—it's native ultra-wide generation designed from the ground up for dramatic horizontal compositions. Create stunning website hero banners that span the full viewport, ultrawide monitor wallpapers at proper 3440x1440 or 5120x2160 resolutions, YouTube channel art, LinkedIn cover photos, and Twitter/X headers without compromise. Where other AI generators force you to crop a 16:9 image and lose critical composition elements, Flux Kontext generates purpose-built ultra-wide content with proper subject placement and visual balance across the entire frame. Essential for modern web designers, digital marketers, and anyone requiring cinematic imagery.

Choose between two quality tiers optimized for different workflows. Flux Kontext Pro (4 credits per image) delivers fast, efficient generation ideal for concept exploration, social media content, and everyday creative work—you'll get professional-quality results in seconds without breaking the bank. Flux Kontext Max (8 credits per image) provides enhanced detail, superior coherence in complex multi-element scenes, and the highest fidelity output for professional deliverables where quality is paramount. Both tiers support all 6 aspect ratios and advanced safety controls. Use Pro for rapid iteration and ideation, then switch to Max for final production assets that need to impress clients or appear in high-visibility campaigns.

Beyond the exclusive 21:9 ultra-wide, Flux Kontext supports a comprehensive range of professional aspect ratios for every use case. Square (1:1) is perfect for Instagram posts, profile pictures, and app icons. Portrait formats (9:16 and 3:4) excel for mobile-first content, Pinterest pins, and vertical video thumbnails. Landscape options (16:9 and 4:3) handle presentations, YouTube thumbnails, and traditional displays. And of course, the exclusive 21:9 cinematic ratio creates dramatic ultra-wide content no other AI can match. One tool replaces multiple generators—consistent quality and style across all dimensions means your brand looks cohesive everywhere it appears.