Flux 2 Flex

Flux 2 Flex is a high-fidelity image generation and editing model designed for precise creative control. It excels at producing clean, sharp visuals with accurate color intent and supports flexible aspect ratios.

Use this model

Speed

Price

Inputs

TextImageMulti-image

Outputs

Image

Lab

Black Forest Labs

Flux 2 Flex sample outputs

Captured directly from our eval suite. Click any tile to inspect the full render.

Realistic portrait test

“A kodachrome 25 photograph of a woman with curly brown hair walking through a busy city street, natural lighting, dynamic composition, 35mm lens, authentic urban atmosphere”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Text rendering capability test

“A vintage poster with the text 'GLIF ALLHANDS 2025' in bold retro typography, with undertext saying 'Reykjavik, Iceland', vibrant colors, psychedelic style with glossy 3d elements”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Testing very long and detailed prompts

“studio photograph of a silver panther on the left, a giant beach ball in the middle and a tall man on the right. the panther has long fur and green horns, its claws are attached to garden hoses that end up in milkshakes, the left scene is a highway restaurant. The beachball has chrome and black sections and is in surrounded by water, the man is wearing hi-viz street fashion and is cosplaying as a techbro and is surrounded by multiple signs that 'we're so back'”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Vague prompt test

“determinism”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Social media selfie test

“male power tool influencer taking a selfie, perfect lighting, trendy outfit, confident smile, modern background, candid raw iPhone photo style”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Check if a model can do miniature scenes inherently

“Miniature tilt-shift scene of a wooden trebuchet siege engine in a medieval military warcamp, with canvas tents scattered around, armored soldiers and engineers working on the catapult, wooden fortifications in background, campfires smoking, banners fluttering in the wind, muddy ground with wagon tracks, medieval era setting”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Suprise prompt

“grindle flompa zeet varoo, plingle drask in bloofer haze — twomple zarn reega 7, snibble dront kalee swoop, mirra gongle thru floovian glass, blorpa tect frindle noom, abstract glibber fog machine of gloon and jell, high surreal detail, untranslatable energy field, visual nonsense in motion”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Tall forehead test

“1928 Mickey Mouse with a very, very tall forehead”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Test if model can stack animals in the right order on top of each other

“studio photo a group of stacked animals: a rooster sitting on the back fo a cat which is sitting on the back of a dog which is sitting on the back of a donkey, riding through a small german medieval town, shot in the 1980s”

EngineId: flux2-flex

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Height: 1024

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Width: 1024

Magic laptop test

“An ancient-looking laptop covered in mystical runes, its screen displaying swirling galaxies, used to hack into magical networks or cast digital spells.”

EngineId: flux2-flex

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Height: 1024

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Width: 1024