Flux 2 Flex (by Black Forest Labs)

Overview

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

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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.

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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

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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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