fal

FLUX.2 [dev] Turbo AI Image Editing Model

Distilled version of Black Forest Labs' FLUX.2 [dev] outperforming it at a cheaper price. Developed by fal.ai.

2048 x 2048
Max Resolution
Input / Output
Text Image Image
Active

Details

Model ID
flux.2-dev-turbo
Creator
fal
Family
flux.2
Released
December 2025
Max Input Images
4
Tags
image-generation text-to-image open-weights non-commercial
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Providers & Pricing (1)

FLUX.2 [dev] Turbo is available exclusively through fal.ai, starting at $0.008/image.

fal.ai
fal/flux.2-dev-turbo
Provider Model ID: fal-ai/flux-2/turbo
$0.0080 /input megapixel

Provider Performance

Fastest generation through fal at 3,232ms median latency with 100.0% success rate.

Aggregated from real API requests over the last 30 days.

Generation Time

fal
3,232ms p95: 8,957ms

Success Rate

fal
100.0%
11 / 11 requests

Time to First Byte

fal
3,232ms
p95: 9,229ms

Provider Rankings

# Provider p50 Gen Time p95 Gen Time Success Rate TTFB (p50)
1 fal 3,232ms 8,957ms 100.0% 3,232ms
Data updated every 15 minutes. Based on all API requests through Lumenfall over the last 30 days.

FLUX.2 [dev] Turbo API OpenAI-compatible

Integrate text-to-image generation and complex image editing into any application using the Lumenfall OpenAI-compatible API to access FLUX.2 [dev] Turbo. This endpoint enables programmatic creation of high-fidelity visual media through a single unified integration point.

Base URL
https://api.lumenfall.ai/openai/v1
Model
flux.2-dev-turbo

Text to Image Generate

Create images from text descriptions

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/generations \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux.2-dev-turbo",
    "prompt": "A serene mountain landscape at sunset",
    "size": "1024x1024"
  }'
# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

Image Editing Edit

Transform existing images with text instructions

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/edits \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -F "model=flux.2-dev-turbo" \
  -F "[email protected]" \
  -F "prompt=Add a starry night sky to this image" \
  -F "size=1024x1024"
# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

Benchmarks

FLUX.2 [dev] Turbo holds the fourth position globally in text-to-image generation with an Elo rating of 1272. This distilled model by fal.ai consistently outperforms the original FLUX.2 [dev] across speed and quality metrics in competitive human-preference environments.

Lumenfall Arena
#4
Text-to-Image · 1270 Elo

Competition Results

Intricate Floral Mandala

Text-to-Image
#1/15
Prompt

“Perfectly symmetrical mandala made entirely of real flowers, petals, leaves, fruits, and seeds in vibrant natural colors, intricate layered patterns with radial symmetry, top-down view on a soft neutral background, hyper-detailed organic textures and subtle shadows, photorealistic, 8K masterpiece.”

Generated
3 attempts – showing best result

Geometric Composition

Text-to-Image
#1/22
Prompt

“A glass cube on a wooden table. Inside the cube is a small blue sphere. On top of the cube sits a red book. A green plant is behind the cube, partially visible through the glass. Soft window light from the left.”

Generated
3 attempts – showing best result

Isometric Miniature Diorama Scenes

Text-to-Image
#4/19
Prompt

“Create a clear, 45° top-down isometric miniature 3D cartoon scene of Japan's signature dish: sushi, with soft refined textures, realistic PBR materials, gentle lighting, on a small raised diorama base with minimal garnish and plate. Solid light blue background. At top-center: 'JAPAN' in large bold text, 'SUSHI' below it, small flag icon. Perfectly centered, ultra-clean, high-clarity, square format.”

Generated
3 attempts – showing best result

Apollo 11: Journey to Tranquility

Text-to-Image
#3/19
Prompt

“Create a clean, modern vector infographic poster about the Apollo 11 mission. NASA-inspired palette (navy, white, muted red, light gray). Flat-vector style, crisp lines, consistent iconography, subtle gradients only. Steps (stop at landing): 1. Launch (Saturn Vicon) 2. Earth Orbit (Earth + orbit ring icon) 3. Translunar (trajectory arc icon) 4. Lunar Orbit (Moon + orbit ring icon) 5. Descent (lunar module descending icon) 6. Landing (lunar module on the surface icon) Small supporting elements (minimal text): • Crew strip: three silhouette icons with only last names: Armstrong, Aldrin, Collins. • Landing site marker: Moon pin labeled "Tranquility" only. Layout constraints: generous margins, large readable labels, clean background with subtle stars. Vector-only, print-poster look, high resolution.”

Generated
3 attempts – showing best result

Victorian Greenhouse Oasis

Text-to-Image
#4/17
Prompt

“Hyper-photorealistic interior of a lush Victorian glass greenhouse filled with exotic tropical plants, vibrant blooming orchids, tall ferns, colorful butterflies in flight, sunlight filtering through ornate glass roof creating realistic caustics and dew on leaves, intricate iron framework visible, misty atmosphere, 8K masterpiece.”

Generated
3 attempts – showing best result

Fantasy Warrior

Text-to-Image
#7/19
Prompt

“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”

Generated
3 attempts – showing best result

Vintage Cafe Logo

Text-to-Image
#7/19
Prompt

“Vintage minimalist restaurant logo for "Caffè Florian", retro cloche dome with steam and "Est. 1720" banner, classic typography, warm brown and cream tones, subtle texture on light background, vector emblem style.”

Generated
3 attempts – showing best result

Adorable Baby Animals in Sunny Meadow

Text-to-Image
#12/23
Prompt

“Hyper-photorealistic scene of fluffy baby animals—a golden retriever puppy, tabby kitten, baby bunny, and red fox kit—with big expressive eyes and ultra-detailed soft fur, playfully chasing butterflies and tumbling together in a lush wildflower meadow, warm golden sunrise light with god rays and dew sparkles, joyful wholesome vibe, 8K masterpiece.”

Generated
3 attempts – showing best result

Modern Clean Menu

Text-to-Image
#16/19
Prompt

“Modern minimalist restaurant menu design, white background with colorful food photos in grid, sections for appetizers/pizza/mains, bold sans-serif fonts, vibrant accents, clean professional layout for casual dining.”

Generated
3 attempts – showing best result

Heroic Super Hero Portrait

Text-to-Image
#13/19
Prompt

“Hyper-photorealistic full-body portrait of a female superhero standing triumphantly on a New York skyscraper rooftop at golden sunset, wearing a classic modest superhero costume with flowing cape, chest emblem, gloves, and boots in red and blue colors, practical design, short hair, strong determined heroic expression looking into the distance, powerful confident stance with hands on hips and cape billowing dramatically in the wind, detailed urban cityscape background, warm natural sunlight with sharp shadows and fabric highlights, ultra-sharp textures on suit, hair, and concrete, 8K masterpiece, empowering family-friendly style.”

Generated
3 attempts – showing best result

Candid Street Photography

Text-to-Image
#18/22
Prompt

“A candid street photo of an elderly Japanese man repairing a red bicycle in light rain, reflections on wet pavement, shallow depth of field, 50mm lens, natural skin texture, imperfect framing, motion blur from passing cars, cinematic but realistic, no stylization.”

Generated
3 attempts – showing best result
Archived results

Fantasy Warrior

Text-to-Image
#5/14
Prompt

“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”

Generated
3 attempts – showing best result
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FLUX.2 [dev] Turbo FAQ

How much does FLUX.2 [dev] Turbo cost?

FLUX.2 [dev] Turbo starts at $0.008 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.

How do I use FLUX.2 [dev] Turbo via API?

You can use FLUX.2 [dev] Turbo through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "flux.2-dev-turbo". Code examples are available in Python, JavaScript, and cURL.

Which providers offer FLUX.2 [dev] Turbo?

FLUX.2 [dev] Turbo is available through fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.

What is the maximum resolution for FLUX.2 [dev] Turbo?

FLUX.2 [dev] Turbo supports images up to 2048x2048 resolution.

Overview

FLUX.2 [dev] Turbo is an accelerated image generation model developed by fal.ai, designed to provide high-fidelity outputs with significantly lower latency than the base FLUX.2 [dev] model. It uses architectural distillation to achieve high performance at a lower cost, maintaining the composition and detail of the original Black Forest Labs weights while requiring fewer sampling steps. This open-weights model is released under a non-commercial license and is optimized for workflows where generation speed and cost-efficiency are prioritized over maximum sampling depth.

Strengths

  • Generation Velocity: Significant reduction in inference time compared to the standard FLUX.2 [dev], capable of producing high-resolution images in a fraction of the steps.
  • Anatomical and Text Fidelity: Retains the core architectural strengths of the FLUX family, specifically in rendering legible text and accurate human anatomy (such as hands and limbs).
  • Instruction Following: High responsiveness to complex, multi-subject prompts involving specific spatial arrangements or lighting conditions.
  • Operational Efficiency: Lower compute requirements and a reduced price point ($0.008 starting price) make it suitable for high-volume prototyping or iterative design processes.

Limitations

  • Non-Commercial License: The model is restricted to research and personal use; it cannot be integrated into commercial products or used for profit-generating workflows.
  • Detail Ceiling: Due to the distillation process, it may occasionally lack the extreme fine-grain texture or subtle lighting nuances found in the full FLUX.2 [dev] model during multi-step high-CFG generations.
  • Reduced Flexibility: This turbo variant is specifically tuned for a lower step count, which may make it less responsive to manual sampling adjustments compared to its non-distilled counterpart.

Technical Background

FLUX.2 [dev] Turbo is part of the FLUX.2 family, utilizing a distilled version of the original diffusion transformer (DiT) architecture. By applying adversarial or sequence-level distillation techniques, fal.ai optimized the original Black Forest Labs weights to converge in fewer iterations without sacrificing the structural integrity of the generated output. The model accepts both text and image inputs, allowing for versatile image-to-image and text-to-image workflows.

Best For

  • Iterative Design: Rapidly testing different prompt variations or character concepts without the wait times associated with standard diffusion models.
  • Prototyping: Building proof-of-concept creative tools where speed-of-feedback is critical for user experience.
  • Research and Personal Projects: High-quality image generation for non-commercial academic research or hobbyist exploration.

FLUX.2 [dev] Turbo is available through Lumenfall’s unified API and playground, allowing developers to integrate fast, state-of-the-art image generation into their research environments with minimal configuration.

Top Matchups

See how FLUX.2 [dev] Turbo performs head-to-head against other AI image models, ranked by community votes in blind comparisons.

Try FLUX.2 [dev] Turbo in Playground

Generate images with custom prompts — no API key needed.

Open Playground