> For the complete documentation index, see [llms.txt](https://docs.flora.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flora.ai/models/image-models/flux-2-flex-by-black-forest-labs.md).

# Flux 2 Flex (by Black Forest Labs)

### **Overview**

Highly consistent Flux 2 variant optimized for reliable, reproducible outputs.

***

### **Quick facts**

* **Modes:** Text → Image · Image → Image (editing)
* **Default output / size:** 1024×1024 (1:1)
* **Aspect ratios:** Multiple standard ratios supported

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### **What it's great for**

* Consistent outputs across multiple generations.
* Reliable results for batch workflows.
* Professional projects requiring reproducibility.
* Series work with consistent style.

***

### Parameters

| Control        | Type     | Default | Notes                                   |
| -------------- | -------- | ------- | --------------------------------------- |
| `Prompt`       | Text     | —       | Natural-language instruction (required) |
| `Aspect Ratio` | Dropdown | 1:1     | Multiple options available              |
| `Quality`      | Slider   | 40      | Inference steps (10-40)                 |

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### **Modes**

| Mode          | Estimated time | Required inputs | Typical use           |
| ------------- | -------------: | --------------- | --------------------- |
| Text → Image  |          \~10s | Prompt          | Consistent generation |
| Image → Image |          \~12s | Image, Prompt   | Reliable editing      |

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### **Output options**

| Option       | Values / notes                   |
| ------------ | -------------------------------- |
| Aspect ratio | Multiple aspect ratios supported |

***

### **Prompt tips**

* Ideal for creating series with consistent style.
* Great for batch workflows requiring reproducibility.
* Use for projects where consistency is critical.

***


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