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  3. Flux 2 Dev

Create Images from Text or Photos with Flux 2 Dev

Flux 2 Dev is a text-to-image model that turns written prompts into detailed, print-ready visuals. It also accepts up to four reference photos, so you can steer the style, composition, or subject without starting from scratch. Whether you need a product shot on a plain background or a scene you have been imagining, you describe it and the model builds it. The model supports custom aspect ratios from 1:1 to 16:9, making it straightforward to match the target canvas for social posts, banners, or print layouts. You can upload a reference image and a short description to blend, adjust, or extend existing visuals. Output comes in WebP, JPEG, or PNG at the quality level you choose, so the files fit straight into your workflow. Flux 2 Dev fits naturally into creative and commercial projects where iteration speed matters. A social media manager can test a dozen visual concepts in minutes; a freelance designer can show a client three direction options without touching any editing software. The model handles the rendering so you stay focused on the creative decisions.

Official

Black Forest Labs

36.3k runs

Flux 2 Dev

2025-11-24

Commercial Use

Create Images from Text or Photos with Flux 2 Dev

Table of contents

  • Overview
  • How It Works
  • Frequently Asked Questions
  • Credit Cost
  • Features
  • Use Cases
  • Examples
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Overview

Flux 2 Dev is a text-to-image model that produces detailed images from written prompts and accepts reference photos to shape the visual output. On Picasso IA, you run it directly in the browser with no installation or accounts required. It suits creators who need to move from a written brief to a finished image quickly, whether that means a single polished asset or a batch of concept variations for a client. The model handles the rendering so you stay focused on what the image should communicate.

How It Works

  • Write a text prompt describing the image you want, including style, subject, colors, and mood.
  • If you have reference images (up to four), upload them to steer the model toward a specific visual direction.
  • Choose your aspect ratio from the preset list or set custom width and height values in multiples of 32.
  • Pick your output format (WebP, JPEG, or PNG) and the quality level for the file.
  • Download the result, or adjust the prompt and regenerate to iterate toward the version you want.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open Flux 2 Dev on Picasso IA, adjust the settings you want, and hit generate.

Is it free to try? Yes. You can run Flux 2 Dev on Picasso IA without a paid subscription to see how it performs on your prompts.

How long does it take to get results? With fast mode enabled, most images finish in a few seconds. More complex prompts or larger resolutions may take slightly longer, but the wait is rarely more than a minute.

What output formats are supported? You can save your image as WebP, JPEG, or PNG. JPEG and WebP also let you set the compression quality from 0 to 100, so you control the file size.

Can I use my own photos as reference? Yes. You can upload up to four images in JPEG, PNG, GIF, or WebP format to steer the model toward a specific style or composition.

Can I customize the output dimensions? Yes. Pick from 11 standard aspect ratios or set your own width and height in multiples of 32, giving you full control over the output canvas.

Where can I use the outputs? The images are yours to use for personal or commercial projects: social media, client presentations, or print, with no additional steps.

Credit Cost

Each generation consumes 1 credit

1 credit

or 5 credits for 5 generations

Features

Everything this model can do for you

Reference image input

Accept up to four photos to direct style, composition, or subject matter in the output.

Custom aspect ratios

Choose from 11 preset ratios or set custom width and height for any canvas size.

Multiple output formats

Save results as WebP, JPEG, or PNG with quality control from 0 to 100.

Reproducible results

Set a seed value to regenerate the same image consistently across runs.

Speed mode

Toggle fast predictions to cut generation time without changing the prompt or settings.

Flexible resolutions

Set custom dimensions in multiples of 32, from small web thumbnails to large print sizes.

No coding needed

Open the model in a browser, fill in the prompt and settings, and generate without installing anything.

Optional safety checker for content moderation

Use Cases

Generate product images on a white or neutral background from a text description, without needing a photographer or studio.

Upload a reference photo and write a prompt to adapt the composition, lighting, or style into a new image.

Create social media visuals at the exact aspect ratio you need, from square posts to vertical Stories.

Produce multiple variations of a concept by adjusting the prompt and seed, then pick the one that fits best.

Turn a rough visual idea into a detailed illustration by describing colors, mood, and subject in a single prompt.

Combine up to four reference images with a text description to blend visual elements into a single new image.

Generate editorial or blog visuals from a descriptive prompt in seconds, ready to drop into your CMS.

Visual storytelling or comic creation

Examples

3:4
jpg
11.0s
Go Fast: Yes
Output Quality: 80

replace the couple next to the fire in image 1 by the man in image 2 and the woman in image 3

match_input_image
jpg
8.6s
Go Fast: Yes
Output Quality: 80

Change the color of the gloves to the color of image 2

9:16
jpg
2.0s
Go Fast: Yes
Output Quality: 80

Photorealistic infographic showing the complete Berlin TV Tower (Fernsehturm) from ground base to antenna tip, full vertical view with entire structure visible including concrete shaft, metallic sphere, and antenna spire. Slight upward perspective angle looking up toward the iconic sphere, perfectly centered on clean white background. Left side labels with thin horizontal connector lines: the text '368m' in extra large bold dark grey numerals (#2D3748) positioned at exactly the antenna tip with 'TOTAL HEIGHT' in small caps below. The text '207m' in extra large bold with 'TELECAFÉ' in small caps below, with connector line touching the sphere precisely at the window level. Right side label with horizontal connector line touching the sphere's equator: the text '32m' in extra large bold dark grey numerals with 'SPHERE DIAMETER' in small caps below. Bottom section arranged in three balanced columns: Left - Large text '986' in extra bold dark grey with 'STEPS' in caps below. Center - 'BERLIN TV TOWER' in bold caps with 'FERNSEHTURM' in lighter weight below. Right - 'INAUGURATED' in bold caps with 'OCTOBER 3, 1969' below. At the very bottom center, below the columns, add small italicized text 'Run Flux.2 on Replicate' in medium grey (#A0AEC0). All typography in modern sans-serif font (such as Inter or Helvetica), color #2D3748 unless specified, clean minimal technical diagram style. Horizontal connector lines are thin, precise, and clearly visible, touching the tower structure at exact corresponding measurement points. Professional architectural elevation drawing aesthetic with dynamic low angle perspective creating sense of height and grandeur, poster-ready infographic design with perfect visual hierarchy.

match_input_image
jpg
5.2s
Go Fast: Yes
Output Quality: 80

Replace the color of the car to blue

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