FLUX Pro 1.1 Ultra by Black Forest Labs 4MP ultra detail

Create images with FLUX Pro 1.1 Ultra for free

Black Forest Labs' FLUX Pro 1.1 Ultra: 4MP photorealistic generation with sharp detail and fast speed, create images in Chatday. Start typing, no sign-up needed.

Free in ChatdaySwitch image models any timeCompare with other image models

Prompts

Prompts to try with FLUX Pro 1.1 Ultra

Product photo

A product photo of a glass perfume bottle on marble, soft studio lighting, shallow depth of field.

Generate

Brand logo

A minimalist flat vector logo for a specialty coffee brand, warm tones, simple mark.

Generate

Portrait

A cinematic portrait of a woman in neon city light at night, 85mm, shallow depth of field.

Generate

Landscape

A watercolor landscape of misty mountains at dawn, soft pastel palette.

Generate

Poster

A retro travel poster of Tokyo with bold typography and a limited color palette.

Generate

Strengths

What makes FLUX Pro 1.1 Ultra stand out

PhotorealismConsistency

Up to 4-megapixel resolution

Sharp photorealistic detail

Fast generation despite high resolution

Strong prompt adherence

At a glance

FLUX Pro 1.1 Ultra specifications

4MP

Max resolution

Text-to-image

Modality

$0.06

Price / image

Balanced

Speed

Free & Pro

Available in Chatday

Provider	Black Forest Labs
Model family	FLUX 1.1 series
Max resolution	4MP
Aspect ratios	1:1, 16:9, 9:16, 4:3, 3:4, 21:9
Text-to-image	Yes
Editing (img2img)	No
Price / image	$0.06 / image
Speed	Balanced
Open weight	No
Available in Chatday	Free & Pro

Pricing shown for reference; usage is included in your Chatday plan.

Side by side

FLUX Pro 1.1 Ultra vs other image models

Compare

Model	Max resolution	Best at	Price / image	In Chatday
FLUX Pro 1.1 Ultra	4MP	4MP ultra detail	$0.06	Free
Nano Banana Pro	4K	Best-in-class editing	$0.13	Free
GPT Image 2	4096px	Accurate text & photoreal	$0.08	Free
Grok Imagine Image Pro	2K	High-fidelity & creative	$0.07	Free

FAQ

FLUX Pro 1.1 Ultra questions

Yes. FLUX Pro 1.1 Ultra is available on the free plan with daily limits. Pro raises the limits and adds priority access during peak times.

It generates up to 4MP, and supports a range of aspect ratios for social, print and wide formats.

FLUX Pro 1.1 Ultra focuses on text-to-image generation. For editing an existing picture, switch to an editing-capable image model mid-project in Chatday.

No. FLUX Pro 1.1 Ultra runs inside Chatday with nothing to install or configure, open the image canvas and start generating.