Imagefluxflux-schnell

FLUX.1 [schnell]

Ultra-fast 1-4 step distilled FLUX. Best for drafts, iteration, and high-throughput workflows.

Open in Image Lab Browse all models~$0.01 per run

Flux guideVerified

Black Forest Labs' open-weights image model line. Flux 2 Pro is the current flagship — best-in-class prompt adherence and photorealism. Flux Kontext (separate brand below) handles editing.

Strengths

Best prompt adherence in open-weights image models.
Photorealism: skin, fabric, lighting, depth all look correct.
Handles long, dense prompts without losing the lead subject.
Flux 2 Pro is the picker default for finals.

Weaknesses

Text rendering inside images is OK but not as good as Ideogram.
Stylization (painterly, anime) needs explicit prompting — defaults to photoreal.

Best for

Photoreal portraits, product shots, environments
Hero stills for video pipelines (Flux still → Runway video)
Anything that needs lens vocabulary (35mm, anamorphic, shallow DoF)

Prompting tips

Lead with lens / camera specs ("35mm anamorphic, shallow depth of field") — Flux loves this language.
Lighting terms work: "rim light", "soft key", "chiaroscuro".
Be specific about the subject's positioning — Flux respects spatial prompts.

Parameters

image_size
string
No description.
square_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
default: landscape_4_3
num_inference_steps
int
No description.
default: 4
range: 1 … 12
num_images
int
No description.
default: 1
range: 1 … 4
seed
int
No description.
output_format
string
No description.
jpegpng
default: jpeg
acceleration
string
Trade quality for speed at the GPU level.
noneregularhigh
default: none

You'll need

A text prompt

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