# FLUX.1 Kontext [dev]

> Image AI Model by Black Forest Labs — available on Layer

Open-weight, multimodal model for context-aware image editing. Excels at iterative edits via text.

FLUX.1 Kontext [dev] is a 12-billion-parameter rectified flow transformer from Black Forest Labs that excels at editing images based on text instructions. As a multimodal model, it understands both text and image inputs, allowing for powerful, context-aware editing without finetuning. This open-weight version is perfect for the AI art and research communities to explore iterative editing, character retention, and style referencing on local hardware.

## Specifications

| Property | Value |
|----------|-------|
| Provider | Black Forest Labs |
| Category | Image |
| Price | 1.6 / generation |
| Aspect Ratios | 1:1, 2:3, 3:4, 9:16, 3:2, 4:3, 16:9 |

## Frequently Asked Questions

### How much does FLUX.1 Kontext [dev] cost? Is it free?

Generating assets on Layer requires using Creative Units. This model's current price is 1.6 / generation.

### 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 Kontext [dev] have?

FLUX.1 Kontext [dev] has an Artificial Analysis Arena Elo of 883, which places it #50 of the 56 scored image models on Layer. GPT Image 2.5 Sunburst leads that ranking with an Elo of 1222.

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