Head to head

FLUX.2 [dev] vs FLUX.2 [pro]

Same prompts, same settings: how the two models compare on score, price and time to image in every use case we tested both on.

Short answer

FLUX.2 [pro] beats FLUX.2 [dev] in all 3 use cases we tested: portraits & people (3.8 vs 3.5), product photos (4.2 vs 3.9) and social media ads (4.2 vs 3.9). FLUX.2 [dev] is cheaper ($0.012 vs $0.030 per image) and faster (7.9 s vs 10.5 s median).

Last tested

Results by use case

ModelRankScore$/imageTime to image
Portraits & people
FLUX.2 [dev]#10 of 103.5$0.0128.3 s
FLUX.2 [pro]wins#9 of 103.8$0.03010.8 s
Product photos
FLUX.2 [dev]#10 of 103.9$0.0127.9 s
FLUX.2 [pro]wins#4 of 104.2$0.0309.9 s
Social media ads
FLUX.2 [dev]#10 of 103.9$0.0127.2 s
FLUX.2 [pro]wins#9 of 104.2$0.03010.5 s

Rank among every model scored for that use case. Price is the average and time the median per image. How we test

Same prompt, side by side

Both models received each prompt with identical settings. Click an image to enlarge it.

Corporate headshot on gray · Portraits & people

FLUX.2 [dev]: Professional corporate headshot of a man in his forties with short salt-and-pepper hair, wearing a navy suit and a white shirt, with a slight smile, against a neutral mid-gray seamless backdrop. Soft key light from the left with a gentle fill, sharp focus on the eyes, shallow depth of field.
FLUX.2 [dev]Editor pending · AI 3.7 · 5.7 sSee all models →
FLUX.2 [pro]: Professional corporate headshot of a man in his forties with short salt-and-pepper hair, wearing a navy suit and a white shirt, with a slight smile, against a neutral mid-gray seamless backdrop. Soft key light from the left with a gentle fill, sharp focus on the eyes, shallow depth of field.
FLUX.2 [pro]Editor pending · AI 5.0 · 10.4 sSee all models →

Four friends laughing outdoors · Portraits & people

FLUX.2 [dev]: Candid photo of four friends of different ethnicities laughing together at a picnic table in a park at golden hour, one of them raising a glass of lemonade. Natural expressions, warm backlight, 35mm lens look.
FLUX.2 [dev]Editor pending · AI 3.7 · 5.4 sSee all models →
FLUX.2 [pro]: Candid photo of four friends of different ethnicities laughing together at a picnic table in a park at golden hour, one of them raising a glass of lemonade. Natural expressions, warm backlight, 35mm lens look.
FLUX.2 [pro]Editor pending · AI 3.7 · 10.5 sSee all models →

Nurse with a readable name badge · Portraits & people

FLUX.2 [dev]: Friendly portrait of a female nurse in teal scrubs standing in a bright hospital corridor with her arms crossed and a stethoscope around her neck. Her name badge clearly reads "MARIA LOPEZ, RN".
FLUX.2 [dev]Editor pending · AI 4.0 · 8.3 sSee all models →
FLUX.2 [pro]: Friendly portrait of a female nurse in teal scrubs standing in a bright hospital corridor with her arms crossed and a stethoscope around her neck. Her name badge clearly reads "MARIA LOPEZ, RN".
FLUX.2 [pro]Editor pending · AI 3.8 · 41.8 sSee all models →

Elderly potter's hands at work · Portraits & people

FLUX.2 [dev]: Close-up documentary photo of an elderly woman's wrinkled hands shaping wet clay on a spinning pottery wheel, with clay slip on her fingers. Warm window light; her smiling face is softly out of focus in the background.
FLUX.2 [dev]Editor pending · AI 3.3 · 13.8 sSee all models →
FLUX.2 [pro]: Close-up documentary photo of an elderly woman's wrinkled hands shaping wet clay on a spinning pottery wheel, with clay slip on her fingers. Warm window light; her smiling face is softly out of focus in the background.
FLUX.2 [pro]Editor pending · AI 3.0 · 10.8 sSee all models →

Rembrandt-lit dramatic portrait · Portraits & people

FLUX.2 [dev]: Fine-art portrait of a young man with curly dark hair and a short beard, wearing a textured wool sweater. Rembrandt lighting with a small triangle of light on the shadow-side cheek, a black background, moody low-key photographic look.
FLUX.2 [dev]Editor pending · AI 2.7 · 56.9 sSee all models →
FLUX.2 [pro]: Fine-art portrait of a young man with curly dark hair and a short beard, wearing a textured wool sweater. Rembrandt lighting with a small triangle of light on the shadow-side cheek, a black background, moody low-key photographic look.
FLUX.2 [pro]Editor pending · AI 3.7 · 13.8 sSee all models →

Coffee pouch with a 3-line label · Product photos

FLUX.2 [dev]: E-commerce packshot of a matte kraft paper stand-up coffee pouch with a resealable zip, on a plain warm white background with a soft contact shadow, a few roasted coffee beans in front. The label has three lines of text: "HIGHLAND ROAST" in bold serif, "Single Origin · Ethiopia" below it, and "250 g" at the bottom.
FLUX.2 [dev]Editor 4.5 · AI 4.8 · 5.8 sSee all models →
FLUX.2 [pro]: E-commerce packshot of a matte kraft paper stand-up coffee pouch with a resealable zip, on a plain warm white background with a soft contact shadow, a few roasted coffee beans in front. The label has three lines of text: "HIGHLAND ROAST" in bold serif, "Single Origin · Ethiopia" below it, and "250 g" at the bottom.
FLUX.2 [pro]Editor 4.0 · AI 3.8 · 8.6 sSee all models →

Headphones held in hand · Product photos

FLUX.2 [dev]: Lifestyle product photo of a woman's hand holding matte black over-ear wireless headphones by the headband, in a sunlit café with a softly blurred background. Natural window light, visible leather texture on the ear cushions, a small brushed aluminum hinge on each side.
FLUX.2 [dev]Editor pending · AI 4.3 · 9.2 sSee all models →
FLUX.2 [pro]: Lifestyle product photo of a woman's hand holding matte black over-ear wireless headphones by the headband, in a sunlit café with a softly blurred background. Natural window light, visible leather texture on the ear cushions, a small brushed aluminum hinge on each side.
FLUX.2 [pro]Editor pending · AI 4.3 · 9.6 sSee all models →

Perfume on a black mirror · Product photos

FLUX.2 [dev]: Luxury studio photo of a faceted clear glass perfume bottle with a heavy black cap, standing on a glossy black mirror surface that reflects it. Thin rim light outlines the edges, a soft gradient from charcoal to black in the background, crisp caustic highlights in the glass. The front label reads "NOIR 07" in thin gold capital letters.
FLUX.2 [dev]Editor pending · AI 4.0 · 7.9 sSee all models →
FLUX.2 [pro]: Luxury studio photo of a faceted clear glass perfume bottle with a heavy black cap, standing on a glossy black mirror surface that reflects it. Thin rim light outlines the edges, a soft gradient from charcoal to black in the background, crisp caustic highlights in the glass. The front label reads "NOIR 07" in thin gold capital letters.
FLUX.2 [pro]Editor pending · AI 3.5 · 10.5 sSee all models →

Serum bottle on wet slate · Product photos

FLUX.2 [dev]: Studio product photo of a frosted glass skincare serum bottle with a bamboo cap, standing on a wet dark slate stone. Soft window light from the left, tiny water droplets on the glass, shallow depth of field, clean neutral background. The label reads "LUMA" in a minimalist sans-serif font.
FLUX.2 [dev]Editor 4.3 · AI 4.3 · 13.3 sSee all models →
FLUX.2 [pro]: Studio product photo of a frosted glass skincare serum bottle with a bamboo cap, standing on a wet dark slate stone. Soft window light from the left, tiny water droplets on the glass, shallow depth of field, clean neutral background. The label reads "LUMA" in a minimalist sans-serif font.
FLUX.2 [pro]Editor 4.5 · AI 4.8 · 10.8 sSee all models →

Sneaker flat lay · Product photos

FLUX.2 [dev]: Top-down flat lay e-commerce photo of a single white leather sneaker with orange accents on a pastel sage green background, surrounded by a folded beige sock, a pair of sunglasses and a small potted succulent. Even soft lighting, crisp short shadows, generous empty space.
FLUX.2 [dev]Editor 2.0 · AI 2.3 · 4.9 sSee all models →
FLUX.2 [pro]: Top-down flat lay e-commerce photo of a single white leather sneaker with orange accents on a pastel sage green background, surrounded by a folded beige sock, a pair of sunglasses and a small potted succulent. Even soft lighting, crisp short shadows, generous empty space.
FLUX.2 [pro]Editor 4.3 · AI 4.7 · 9.9 sSee all models →

App launch ad with a phone · Social media ads

FLUX.2 [dev]: Square ad announcing a budgeting app: a modern smartphone tilted at an angle, its screen showing a simple bar chart, on a deep purple to pink gradient background with a soft glow. The headline above reads "Your money, sorted." and smaller text below reads "Download free".
FLUX.2 [dev]Editor pending · AI 3.5 · 6.6 sSee all models →
FLUX.2 [pro]: Square ad announcing a budgeting app: a modern smartphone tilted at an angle, its screen showing a simple bar chart, on a deep purple to pink gradient background with a soft glow. The headline above reads "Your money, sorted." and smaller text below reads "Download free".
FLUX.2 [pro]Editor pending · AI 3.8 · 11.4 sSee all models →

Iced latte promo with a price · Social media ads

FLUX.2 [dev]: Vertical social media ad for an iced latte: a tall glass with visible ice cubes and swirling milk on a pastel peach background, condensation droplets on the glass. The top text in a playful rounded font reads "Summer Sips", and a round green sticker in the corner reads "$4.50".
FLUX.2 [dev]Editor pending · AI 4.3 · 7.2 sSee all models →
FLUX.2 [pro]: Vertical social media ad for an iced latte: a tall glass with visible ice cubes and swirling milk on a pastel peach background, condensation droplets on the glass. The top text in a playful rounded font reads "Summer Sips", and a round green sticker in the corner reads "$4.50".
FLUX.2 [pro]Editor pending · AI 4.5 · 10.4 sSee all models →

Pizza delivery 2-for-1 ad · Social media ads

FLUX.2 [dev]: Landscape Facebook ad for pizza delivery: a top-down shot of a pepperoni pizza on a dark wooden table, with one slice being pulled away and stretching melted cheese. A red banner on the left side reads "2 FOR 1" and below it, in white, "Tuesdays only".
FLUX.2 [dev]Editor pending · AI 3.8 · 5.7 sSee all models →
FLUX.2 [pro]: Landscape Facebook ad for pizza delivery: a top-down shot of a pepperoni pizza on a dark wooden table, with one slice being pulled away and stretching melted cheese. A red banner on the left side reads "2 FOR 1" and below it, in white, "Tuesdays only".
FLUX.2 [pro]Editor pending · AI 4.5 · 10.5 sSee all models →

UGC-style skincare selfie · Social media ads

FLUX.2 [dev]: Authentic user-generated style photo for a skincare ad: a smiling young woman with freckles holds a small plain white moisturizer jar next to her cheek in a bright bathroom, natural daylight, a slight phone-camera look, no heavy makeup.
FLUX.2 [dev]Editor pending · AI 3.3 · 22.8 sSee all models →
FLUX.2 [pro]: Authentic user-generated style photo for a skincare ad: a smiling young woman with freckles holds a small plain white moisturizer jar next to her cheek in a bright bathroom, natural daylight, a slight phone-camera look, no heavy makeup.
FLUX.2 [pro]Editor pending · AI 3.7 · 9.1 sSee all models →

Sneaker sale ad with a button · Social media ads

FLUX.2 [dev]: Square Instagram ad for a running shoe sale: a single bright orange running shoe floating mid-air against a solid cobalt blue background, with subtle motion lines behind it. A large bold white sans-serif headline at the top reads "RUN FASTER", and a yellow rounded button at the bottom reads "30% OFF TODAY".
FLUX.2 [dev]Editor pending · AI 4.8 · 10.9 sSee all models →
FLUX.2 [pro]: Square Instagram ad for a running shoe sale: a single bright orange running shoe floating mid-air against a solid cobalt blue background, with subtle motion lines behind it. A large bold white sans-serif headline at the top reads "RUN FASTER", and a yellow rounded button at the bottom reads "30% OFF TODAY".
FLUX.2 [pro]Editor pending · AI 4.5 · 15.0 sSee all models →

Frequently asked questions

Is FLUX.2 [dev] better than FLUX.2 [pro]?

No. FLUX.2 [pro] beats FLUX.2 [dev] in all 3 use cases we tested: portraits & people (3.8 vs 3.5), product photos (4.2 vs 3.9) and social media ads (4.2 vs 3.9). Scores are 1-5 on identical prompts and settings.

Which is cheaper, FLUX.2 [dev] or FLUX.2 [pro]?

FLUX.2 [dev]: $0.012 per image on average vs $0.030 for FLUX.2 [pro], via the fal.ai API.

Which is faster, FLUX.2 [dev] or FLUX.2 [pro]?

FLUX.2 [dev]: a median 7.9 s from request to finished image vs 10.5 s for FLUX.2 [pro], queue time included.

FLUX.2 [dev] or FLUX.2 [pro] for portraits & people?

FLUX.2 [pro] scored higher for portraits & people: 3.8/5 vs 3.5/5, ranking #9 vs #10 of 10 models.

FLUX.2 [dev] or FLUX.2 [pro] for product photos?

FLUX.2 [pro] scored higher for product photos: 4.2/5 vs 3.9/5, ranking #4 vs #10 of 10 models.

FLUX.2 [dev] or FLUX.2 [pro] for social media ads?

FLUX.2 [pro] scored higher for social media ads: 4.2/5 vs 3.9/5, ranking #9 vs #10 of 10 models.