Text
- Resolution
- 1MP
- Aspect ratio
- 1:1 · 4:3 · 3:4 · 16:9 · 9:16
FLUX.2 Flex AI image generator
Balanced quality and speed. Make images up to 1MP in your browser, and see the credit price before you generate.
- Black Forest Labs
- Text
- 1MP to 1MP
- From 12 credits
Example
What you can do with FLUX.2 Flex
What this model can do here, taken from its live settings. Try any of them in the generator above.
Start from a prompt
Describe the subject, setting and style in plain words. FLUX.2 Flex follows detailed briefs, so name what matters most first.
Pick length and resolution
Output from 1MP to 1MP. Aspect ratios 1:1, 4:3, 3:4, 16:9, 9:16.
How to use FLUX.2 Flex
- 01
Pick an input
Start from text to image.
- 02
Describe the result and set options
Write what you want to see, then choose resolution, aspect ratio. The credit price updates as you go.
- 03
Generate and download
Most results land in under a minute. Download the file, or tweak the prompt and run it again.
FLUX.2 Flex pricing
Higher resolution and quality cost more. The generator shows the exact price for your settings before anything is charged.
- Starting price
- 12 credits per image
- In dollars
- ≈ $0.12 at the Starter pack rate
- Free to try
- 48 credits on sign up, no card
FLUX.2 Flex compared with similar models
Live specs and starting prices. Click a model to open its page.
| Spec | FLUX.2 Flex | GPT Image 2.5 | Nano Banana Pro | Seedream 5.0 Pro |
|---|---|---|---|---|
| Maker | Black Forest Labs | OpenAI | ByteDance | |
| Starting price | 12 credits | 3 credits | 6 credits | 9 credits |
| Inputs | Text | Text · Image edit | Text · Image edit | Text · Image edit |
| Max input files | — | 16 | 14 | 10 |
| Resolution | 1MP | 1K · 2K · 4K | 1K · 2K · 4K | 1K · 2K |
| Quality | — | low · medium · high · xhigh · max | — | — |
| Aspect ratio | 1:1 · 4:3 · 3:4 · 16:9 · 9:16 | auto · 1:1 · 3:2 · 2:3 · 4:3 · 3:4 · 5:4 · 4:5 · 16:9 · 9:16 · 2:1 · 1:2 · 3:1 · 1:3 · 21:9 · 9:21 | auto · 1:1 · 2:3 · 3:2 · 3:4 · 4:3 · 4:5 · 5:4 · 9:16 · 16:9 · 21:9 | 1:1 · 4:3 · 3:4 · 16:9 · 9:16 · 2:3 · 3:2 · 21:9 |
Full FLUX.2 Flex settings
ShowHide
Related models
FLUX 3 Video
Video with native audio up to 4K
From 204 credits
FLUX 3 Max
Fast FLUX video with native audio
From 64 credits
FLUX.2 Max
Maximum fidelity for art and design
From 17 credits
GPT Image 2.5 Sunburst
Precise edits and detailed visual work
From 3 credits
GPT Image 2
Sharp text rendering and precise edits
From 3 credits
GPT Image 1.5
Low cost OpenAI image generation
Pricing updates hourly
FLUX.2 Flex questions
What is FLUX.2 Flex?
FLUX.2 Flex is Black Forest Labs's AI image model: balanced quality and speed. On FrameMux you run it in the browser with credits, next to every other model.
Is FLUX.2 Flex free to try?
Yes. New accounts get 48 free credits with no card. FLUX.2 Flex starts at 12 credits per image, so that covers 4 images at the lowest settings.
How much does FLUX.2 Flex cost?
From 12 credits per image at the lowest settings, about $0.12. Higher resolution and quality cost more, and the exact price shows before you generate. Credit packs start at $9.90 for 990 credits.
What inputs does FLUX.2 Flex accept?
Text. JPG, PNG and WebP images up to 10 MB each. The panel only shows the options this model accepts.
Which lengths, resolutions and aspect ratios does FLUX.2 Flex support?
Resolution: 1MP. Aspect ratio: 1:1, 4:3, 3:4, 16:9, 9:16. Longer and sharper outputs cost more credits.
Do I need a Black Forest Labs account or API key?
No. You use FLUX.2 Flex in the browser with FrameMux credits. There is no API key to set up and no separate subscription.
Can I use FLUX.2 Flex results commercially?
Paid credit packs and plans include commercial use, within Black Forest Labs's terms for FLUX.2 Flex.
Can I upload photos of real people?
Only photos you have permission to use. Content of real people without consent and adult content are blocked, and blocked prompts never use credits.
Are my FLUX.2 Flex results private?
Yes. Uploads and results are private to your account and are deleted after 30 days, so download what you want to keep.
What happens if a FLUX.2 Flex job fails?
The credits return to your balance automatically, and the error tells you what to change.
How does FLUX.2 Flex compare with GPT Image 2.5?
FLUX.2 Flex starts at 12 credits per image and GPT Image 2.5 at 3. The table above lists inputs, length and resolution side by side. The quickest way to choose is to run the same prompt on both.
Start your first FLUX.2 Flex image
48 free credits, price shown first, credits back if a job fails.
Create with FLUX.2 Flex