image model · Black Forest Labs

FLUX.2 Klein 9B

Photographs you can’t tell from photographs.

Photoreal portraits, products and editorial images — with precise reference edits.

See all image models →Starter is $9 for the first month, then $29/mo. Cancel anytime.
A sweeping cinematic night scene of a remote observatory in a vast desert of pale glassy dunes, the terrain threaded with bioluminescent blue and violet plants glowing like constellations on the ground. A circular modern telescope dome sits on a rocky plateau, surrounded by slim solar towers, reflective panels, and delicate research equipment. In the foreground, a lone figure in a wind-sculpted exploration cloak stands beside a hovering utility bike, tiny against the immense landscape. Above, an unusually dense star field, the Milky Way arcing overhead, and a faint emerald aurora near the horizon. Ultra-detailed, crisp edges, subtle volumetric haze, moonlit shadows, cool color palette with luminous accents, premium concept art, photoreal-meets-illustrative sci-fi matte painting, strong depth, dramatic wide-angle composition.Image · FLUX.2 Klein 9B
FLUX.2 Klein 9B

Source-linked examples. Pick a picture, then make the prompt yours.

What it does best

What it does best. Each claim, shown.

Real FLUX.2 Klein 9B outputs, with prompts to try and links to their sources.

A sweeping cinematic night scene of a remote observatory in a vast desert of pale glassy dunes, the terrain threaded with bioluminescent blue and violet plants glowing like constellations on the ground. A circular modern telescope dome sits on a rocky plateau, surrounded by slim solar towers, reflective panels, and delicate research equipment. In the foreground, a lone figure in a wind-sculpted exploration cloak stands beside a hovering utility bike, tiny against the immense landscape. Above, an unusually dense star field, the Milky Way arcing overhead, and a faint emerald aurora near the horizon. Ultra-detailed, crisp edges, subtle volumetric haze, moonlit shadows, cool color palette with luminous accents, premium concept art, photoreal-meets-illustrative sci-fi matte painting, strong depth, dramatic wide-angle composition.

Example 1

Create a finished landscape fashion lookbook photograph for a premium archaeological fieldwear catalog. Use the exact model from reference image 2, preserving their recognizable face, warm brown complexion, short dark curls, lean proportions, and composed presence. Dress them in the complete outfit from reference image 1, faithfully retaining the sand ripstop fabric, cropped utility-jacket silhouette, cobalt reinforced shoulder panels, brass snaps, bellows pockets, high-waisted cargo trousers, articulated knees, ochre woven belt, canvas gaiters, and dusty brown field boots. Place the model at an active but orderly desert excavation site at late afternoon, standing beside a clean gridded trench cut into pale ochre earth. Include restrained, authentic field details in the middle distance: survey stakes, taut grid string, a folding wood sieve, labeled specimen crates without readable text, and a canvas shade canopy. No ancient monuments, fantasy ruins, or adventure-film styling. The clothing remains the clear subject. Compose as a sophisticated 1280x704 double-page-style catalog hero image without page borders or typography: full-body model positioned in the right third, boots fully visible, relaxed three-quarter stance with one hand lightly touching a jacket pocket; generous negative space and layered excavation geometry on the left. Eye-level camera, 50mm editorial perspective, crisp garment construction and accurate fabric texture, subtle wind moving the jacket hem. Art direction inspired by late-1970s European workwear catalogs and contemporary minimalist fashion photography. Sun-baked ochre, sand, cobalt blue, cream, and muted tobacco palette. Hard desert sunlight softened by dusty atmosphere, long graphic shadows, natural skin texture, understated confidence, refined analog color response, fine film grain, realistic commercial fashion photography.

Example 2

Example sources: Runware · model docsRunware · model docs

Specs

Under the hood

Output
High-res, 4:3 default + custom aspect ratios
Inputs
Prompt (required) · Image
Provider
Black Forest Labs
Price here
4 credits per image (≈ $0.04)
Family
flux-2
Render time
Balanced — tens of seconds
Prompt language
English only
Commercial use
Allowed — outputs are yours

How to prompt it

A prompt to start from. Make it yours.

Click an example and it lands in the box above.

Strengths and limits

Good at, and not.

Good at

  • fine detail
  • reference editing
  • open weights

Watch out for

  • English prompts only

Versions and family

Meet the family

The models available here, and what each is for.

FLUX.2 Klein 9B · this pagefine detail · reference editing · open weightsFLUX.2 Klein 4Blow cost · reference editing · open weightsFLUX.2 [dev]multilingual · reference editing · open weightsFLUX.2 [max]fine detail · instruction following · reference editingFLUX.2 [flex]tunable quality · reference editing · multilingual

Questions

Straight answers

How much does FLUX.2 Klein 9B cost?+
4 credits / image (≈ $0.04). One Mintdreamer subscription covers FLUX.2 Klein 9B and every other model, starting with Starter at $9 for the first month, then $29/mo. Cancel anytime.
Is FLUX.2 Klein 9B free to try?+
FLUX.2 Klein 9B is included on Starter. Continue to Studio with your prompt and model, then choose a plan to generate. Starter is $9 for the first month, then $29/mo. Cancel anytime.
Do failed generations cost credits?+
No. If a generation fails, gets rejected, or comes back unusable, Mintdreamer refunds the credits automatically — you only pay for results you keep.
Do I need an API key or a separate signup?+
No. FLUX.2 Klein 9B runs inside Mintdreamer's studio — one login, one plan. Switch between it and any other model mid-session without per-vendor accounts.
Can I use the images commercially?+
Yes. Outputs are yours to use commercially, subject to our terms.
What languages does FLUX.2 Klein 9B understand?+
FLUX.2 Klein 9B is trained on English prompts — write your prompt in English for best results. Mintdreamer can translate non-English prompts before generating.

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Your idea. Start here.

The box remembers the prompt you picked above.