Flux 2 Flex
FLUX 2 Flex is the FLUX.2 tier tuned for legible text inside images, available in FluxoKit's browser studio with no Black Forest Labs account. It renders posters, packaging, and ad headlines where the words have to be readable, and costs 8 credits per image on plans starting at $14 per month.
Updated July 2026
Examples
9 generationsGenerated live on FluxoKit on July 3, 2026. Prompts shown verbatim, results unretouched.
Real generations with Flux 2 Flex
Overview
FLUX 2 Flex is the typography specialist of the FLUX.2 family, and FluxoKit runs it in the browser with credit pricing instead of a Black Forest Labs API key. Most image models blur or garble words; Flex is built so the text you name in the prompt comes back sharp, which is why it is the tier to reach for on posters, packaging, and headline-driven ads.
This page documents FLUX 2 Flex's parameters and its exact per-image cost. The shared image corpus that shows one brand brief across sibling models is still being generated for Flex through the provider batch, so nothing here is presented as a finished on-page example yet.
What you can build with FLUX 2 Flex
FLUX 2 Flex earns its place when a design has to carry words: a launch poster with a real headline, a packshot with a legible product name, an ad frame where the offer is typeset inside the image rather than added later in Canva. Name the exact copy in quotes and Flex treats typography as a first-class part of the render instead of decoration it smears.
It is still a full text to image generator, so the scene, lighting, and composition all respond to the same prompt. The habit that pays off is ordering the brief as subject, layout, then the quoted text, so the model knows where the words belong before it commits the composition.
Where FLUX 2 Flex earns its credits
Marketing and social teams use FLUX 2 Flex for text-heavy creative that would otherwise need a designer: sale banners, event posters, packaging mockups, and quote cards. At 8 credits per image it sits between the cheap ideation models and the flagship, so a ten-frame headline exploration costs 80 credits and every generation shows its exact cost in your history.
FLUX 2 Flex vs FLUX 2 Pro, FLUX 2 Flex Edit, and GPT Image 2
The FLUX.2 flagship wins on final-art finish and texture across any subject. Flex trades a little of that polish for stronger, more reliable text rendering inside the frame.
Flex generates a new image from a prompt. Flex Edit changes the words or elements inside an image you already have. Pair them: draft the poster here, swap the headline there.
GPT Image 2 also renders legible text and reads better as photography. Flex leans into design-forward, typography-heavy layouts where the words are the hero.
Capabilities
Image input
Yes
Limits
Max reference images
1
Credits per generation
8
Parameters and inputs
Each field below shows what the model accepts and the limits to apply.
Parameters
Image Size
image_size
- Required
- No
- Default
- match_input
Options
- Match Input (match_input)
- 1024x1024 (1024x1024)
- 1024x1536 (1024x1536)
- 1536x1024 (1536x1024)
- 1024x1792 (1024x1792)
- 1792x1024 (1792x1024)
Prompt Upsampling
prompt_upsampling
Frequently asked questions
›How much does FLUX 2 Flex cost per image?
FLUX 2 Flex costs 8 credits per image at roughly 1 megapixel on FluxoKit. Plans start at $14 per month and every generation shows its exact credit cost in your history. There is no Black Forest Labs API key or per-token billing.
›What is FLUX 2 Flex best at?
Images that must contain readable text: posters, packaging, ad headlines, and quote cards. Flex is the FLUX.2 tier where you name the copy in quotes and it renders as legible typography instead of smeared shapes.
›Should I use FLUX 2 Flex or FLUX 2 Pro?
Use Flex when the words in the image matter most. Use FLUX 2 Pro when final-art finish and texture matter most and any text is minimal. Many teams draft copy-heavy frames in Flex and finish hero art in Pro.
›Do I need a Black Forest Labs account to use FLUX 2 Flex?
No. FluxoKit runs FLUX 2 Flex and more than 100 other AI models under one subscription with credit based pricing and a 30-day money-back guarantee.
Start creating
Run Flux 2 Flex in your browser. No API key, no provider account.
Typography that renders legible on the first pass. One studio, more than 100 AI models.
- More than 14,000 generations delivered
- Your first paid subscription includes a 30-day satisfaction guarantee, subject to the Refund Policy.
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