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by Black Forest Labs

FLUX.1 SRPO [dev]

FLUX.1 SRPO [dev] is a 12-billion-parameter flow transformer fine-tuned by Tencent using Semantic Relative Preference Optimization (SRPO). This advanced technique directly aligns the model with human preferences for realism and aesthetics, significantly reducing the typical 'AI look.' It's an ideal choice for artists and creators in the AI art community seeking exceptional photorealism, fine details, and visually appealing compositions.

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Popularity
4
last 7 days
Price
0.75CU
per megapixel
Released
2025
September
Capabilities
Reference imagesImage-to-imageTransparencySeedMultiple aspect ratiosSquare (1:1)Portrait (9:16)Landscape (16:9)
Fine-tuned photoreal output tuned for human tasteReducing the plastic AI look in portrait work

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Create amazing image assets with FLUX.1 SRPO [dev] on Layer

The complete content creation platform for modern game teams. From concepting to polished in-game assets - across Image, 3D, Video, and Audio.

Why use FLUX.1 SRPO [dev] for image?

Enhanced photorealism with stable, production-grade outputs

FLUX.1 Dev SRPO refines textures, lighting, and color harmony to produce polished, high-fidelity visuals ideal for game production. Its SRPO fine-tuning gives it more stability and realism compared to the base FLUX models.

Strong structural accuracy and clean detail for complex assets

This version maintains accurate proportions, sharp edges, and clean geometry across characters, environments, and in-game items. It reduces visual artifacts and keeps shapes consistent, making it reliable for assets that need to hold up under scrutiny.

Ideal for high-quality UA and LiveOps creative

FLUX.1 Dev SRPO generates assets with clear focal points, realistic materials, and balanced composition - all essential for high-performing UA creative. Its improved consistency makes it strong for generating multiple polished variants at scale.

High-fidelity character and cosmetic concepts

High-fidelity character and cosmetic concepts

Generate detailed characters with refined lighting, realistic textures, and polished materials. SRPO’s structural stability makes it ideal for premium character skins, more realistic art directions, and LiveOps cosmetics that need extra polish.

Polished UA creative and ad-ready imagery

Polished UA creative and ad-ready imagery

Create clean, photorealistic visuals that stand out in ad placements with strong clarity and balanced composition. SRPO’s improved detail and realism help UA teams test high-quality variants that perform well across networks.

Production-ready environments and item art

Production-ready environments and item art

Produce refined environments, in-game objects, and shop items with improved material rendering and cleaner detail. SRPO’s stability ensures consistency across entire asset packs, making it ideal for LiveOps event art or inventory expansions.

FAQ

How much does FLUX.1 SRPO [dev] cost? Is it free?+
Generating assets on Layer requires using Creative Units. This model's current price is 0.75 / megapixel, minimum 0.75 per run.
How does Layer's pricing work?+

There are no seat fees, feature gates, or plans on Layer. Instead, our platform uses a consumption based system with Creative Units (CUs) with a flexible monthly subscription. Every generation on Layer (image, video, 3D, or audio) consumes a Creative Unit, and you only pay for what you create.

What Elo score does FLUX.1 SRPO [dev] have?+
FLUX.1 SRPO [dev] has an Artificial Analysis Arena Elo of 816, which places it #54 of the 56 scored image models on Layer. GPT Image 2.5 Sunburst leads that ranking with an Elo of 1218.

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