FLUX 1.1 Pro

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by Black Forest Labs · Updated November 1, 2025

FLUX 1.1 Pro is Black Forest Labs' flagship model, delivering state-of-the-art image quality with excellent prompt adherence, fine detail rendering, and natural-looking compositions. It excels at photorealistic and artistic imagery alike.

Best For

PhotorealismFine detailsPrompt adherenceArtistic stylesCommercial imagery

Prompting Tips

1FLUX responds well to detailed, descriptive prompts
2Specify art style, medium, lighting, and composition explicitly
3Use natural language—no special parameter syntax needed
4FLUX handles complex multi-subject scenes well
5Include technical photography terms for photorealistic results

Syntax & Constraints

Natural language prompts. Parameters set via API: width, height, guidance_scale, num_inference_steps, seed.

Example Prompts

◆ Logo Design

Tech company logo

A clean, professional logo design for "Aurora Tech" — sleek sans-serif typography with a subtle gradient from teal to purple on the letter A, which doubles as an abstract northern lights symbol. Pure white background, vector-clean edges.

techgradientmodern

👤 Portrait Photography

Traditional Japanese portrait

A hyper-realistic studio portrait of a young woman with intricate traditional Japanese hair ornaments (kanzashi), wearing a silk kimono. Soft studio lighting with a subtle hair light, shallow depth of field, clean dark background. Captured with medium format camera quality.

japanesetraditionalstudio

🏔 Landscape & Scenery

Midnight sun fjord

A breathtaking view of the Norwegian fjords at midnight sun — the sun barely touching the horizon, casting an endless golden glow over mirror-still water. Dramatic cliffs on either side, a small sailboat in the distance. Ultra-high resolution, landscape photography.

fjordmidnight-sunNorway