FLUX.2 [flex]

Black Forest Labs' next-generation customizable model with adjustable inference steps, guidance scale, and superior text rendering capabilities for granular creative control in professional image generation.

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FLUX.2 Flex Text To Image Gallery

Experience customizable generation with FLUX.2 Flex's adjustable inference steps and guidance scale. Achieve studio-quality outputs with superior typography, precise HEX color control, and fine-tuned quality settings for every creative project.

Create with FLUX.2 Flex

High-Quality 3D Renders

Generate studio-quality 3D renders with velvety smooth textures, soft diffused lighting, and adorable expressions through customizable inference steps.

Prompt:

A high-quality 3D render of a pudgy baby penguin struggling to hold a giant pizza slice; the feathers are velvety smooth, the cheese is stretchy and gooey, pepperoni glistening with oil, soft diffused lighting, shallow depth of field, adorable expression

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High-Quality 3D Renders
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FLUX.2 Flex Image Editing Gallery

Transform your images with FLUX.2 Flex's customizable multi-reference editing. Combine up to 10 reference images with adjustable inference steps and guidance scale for precise control over quality and creative interpretation.

HEX Color Gradient & Text Carving - Original 1
AI Generated Result
AI Generated

HEX Color Gradient & Text Carving

Apply precise HEX color gradients and artistic text carving with natural language editing and customizable quality settings.

FLUX.2 Flex YouTube Videos

Watch demonstrations and tutorials showcasing Black Forest Labs FLUX.2 Flex's flexible AI image generation capabilities

FLUX.2 Flex Popular Reviews on X

See what people are saying about FLUX.2 Flex on X (Twitter)

fal-ai/flux-2 pro で葛飾北斎プロンプト使ってみた!! やっぱりproの方が結構言うこと聞いてくれてそう! *解像度を上げれば文字の崩れは解消できるかも??

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Maki@Sunwood AI Labs.
Maki@Sunwood AI Labs.
@hAru_mAki_ch

fal-ai/flux-2 dev で葛飾北斎プロンプト使ってみた!! これはこれでスタイリッシュな浮世絵風でカッコいい!!

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What's FLUX.2 Flex

Next-generation customizable AI image model with adjustable inference and guidance for maximum creative control

FLUX.2 Flex represents the next evolution in customizable AI image generation from Black Forest Labs. This flexible model puts creative control in your hands with adjustable inference steps (2-50, default 28) and guidance scale (1.5-10, default 3.5), allowing you to fine-tune the balance between speed and quality. The integrated prompt expansion feature enhances your creative vision by intelligently expanding simple prompts into detailed instructions. With superior text rendering capabilities and multi-reference composition support, FLUX.2 Flex adapts to your unique creative workflow. Whether you need rapid iterations or refined masterpieces, this model delivers exceptional results. Priced at 6 credits per megapixel, offering professional-grade flexibility at scale.

FLUX.2 Flex Frequently Asked Questions

FLUX.2 Flex is Black Forest Labs' versatile and cost-effective text-to-image AI model, designed for creators who need flexibility and control over the generation process. Unlike FLUX.2 Pro's fixed premium configuration, Flex allows you to adjust inference steps and guidance scale, trading speed for quality based on your specific needs. It's ideal for rapid prototyping, experimentation, iterative workflows, and budget-conscious projects where you want to optimize between generation speed and output quality. Flex offers excellent value while maintaining high-quality results across various creative applications.
Inference steps determine how many refinement iterations the AI model performs during image generation. Lower step counts (10-20 steps) generate images faster but may have less detail and polish, making them perfect for quick drafts and concept exploration. Higher step counts (30-50 steps) take longer but produce more refined, detailed, and visually cohesive results with better prompt adherence. FLUX.2 Flex supports 10-50 inference steps, allowing you to balance speed versus quality. For final deliverables, use 40-50 steps; for rapid iteration, 15-25 steps offer a good middle ground.
Guidance scale controls how closely the generated image follows your text prompt. Lower values (2-4) give the model more creative freedom, producing artistic variations and unexpected interpretations—great for exploratory, abstract, or stylistic work. Higher values (6-10) enforce stricter prompt adherence, generating images that precisely match your description—ideal when you need specific subjects, compositions, or details. FLUX.2 Flex supports guidance scale from 2.0 to 10.0. Start with 5-6 for balanced results, increase for more control, or decrease for more creative liberty and organic aesthetics.
Prompt expansion is an intelligent enhancement system that automatically enriches your prompts with additional descriptive details, stylistic cues, and contextual information. When enabled, it analyzes your input and augments it with relevant artistic terminology, atmospheric descriptions, lighting details, and compositional suggestions—transforming simple prompts into comprehensive creative briefs. This is particularly valuable for beginners or when you want richer, more detailed outputs without crafting complex prompts manually. Disable it when you need precise control over exact wording or have carefully crafted prompts that shouldn't be modified.
FLUX.2 Flex costs 5 credits per image generated, making it the most economical option in the FLUX.2 family—50% less than FLUX.2 Pro. This competitive pricing, combined with adjustable quality parameters, makes it perfect for high-volume workflows, experimentation, learning, and budget-conscious projects. You can generate twice as many images for the same credit investment, or use saved credits for higher-quality premium models when needed. Flex delivers exceptional value for creators who want professional AI image generation without premium pricing constraints.
Use FLUX.2 Flex for: iterative design workflows where you need multiple variations, rapid prototyping and concept exploration, learning and experimentation, projects with flexible deadlines, and when budget efficiency is important. Use FLUX.2 Pro for: final deliverables requiring maximum quality, client-facing professional work, complex photorealistic rendering, projects demanding absolute consistency, and when you need the highest fidelity with multi-reference support. Many creators use Flex for ideation and exploration, then switch to Pro for final production—combining the cost-efficiency of Flex with Pro's premium quality where it matters most.

How to Use FLUX.2 Flex for Text-to-Image

Master flexible AI image generation with FLUX.2 Flex

step1

Enter Your Creative Prompt

Customize Generation Parameters

Generate and Refine

Pricing

Choose the plan that's right for you. No hidden fees, no surprises.

Annual billing with 50% discount

Popular

Pro

Elevate your AI experience

29.99
15
1 Month
USD
800points1 Month
Up to 80 videos1 Month
Up to 800 images1 Month
3 tasks(Parallel Tasks)
Multi-Model Support
Text to Video
Image to Video
Video to Video
Consistent Character
AI Animation Generator
Templates & Effects
AI Video Enhancers
Interactive Community
Faster Generation Speed
No-watermark Outputs
More Camera Movement
Private Video Visibility
Copy Protection
Priority Support

Max

Unlock more advanced features

99.99
50
1 Month
USD
2800points1 Month
Up to 280 videos1 Month
Up to 2800 images1 Month
3 tasks(Parallel Tasks)
Multi-Model Support
Text to Video
Image to Video
Video to Video
Consistent Character
AI Animation Generator
Templates & Effects
AI Video Enhancers
Interactive Community
Faster Generation Speed
No-watermark Outputs
More Camera Movement
Private Video Visibility
Copy Protection
Priority Support

Ultra

Powerful support for your team

499.99
250
1 Month
USD
16000points1 Month
Up to 1600 videos1 Month
Up to 16000 images1 Month
3 tasks(Parallel Tasks)
Multi-Model Support
Text to Video
Image to Video
Video to Video
Consistent Character
AI Animation Generator
Templates & Effects
AI Video Enhancers
Interactive Community
Faster Generation Speed
No-watermark Outputs
More Camera Movement
Private Video Visibility
Copy Protection
Priority Support