Text to image
Elo · text-to-image arena
Custom pricing for production workloads
Configurable FLUX.2 model balancing quality, latency, and control.
blackforestlabs/flux-2-flexPOST https://api.aimlapi.com/v1/images/generationsConfigurable FLUX.2 model balancing quality, latency, and control.
FLUX.2 Flex API Pricing
- Pricing on request
High-volume image generation
Produce product visuals, thumbnails, and marketing assets programmatically at scale.
Creative and concept art
Turn text prompts into illustrations, mockups, and design explorations.
Product mockups with precise text and brand assets are documented use cases for this model, along with marketing materials and typography-heavy creative work.
It is also documented as suited to campaigns that need consistent characters across images, product placement across different contexts, and brand-accurate color matching.
Another documented use case is text-intensive layouts and images that require text overlays or careful preservation of fine details.
It is further documented for creative workflows that need fine-grained control over generation parameters, including manual quality-speed tradeoffs.
Human-preference results for FLUX.2 Flex in text to image, next to models available on AI/ML API. Data retrieved Nov 3, 2026.
Elo · text-to-image arena
USD per Megapixel
Arena results for models you can call with the same API key.
Blind pairwise human votes on images generated from text prompts. FLUX.2 Flex ranks #29 of 98.
| Usage | Price | Unit |
|---|---|---|
| Image generation | $0.05 | per Megapixel |
The final price depends on request parameters such as resolution or duration.
Prices from the AI/ML API price list, checked on Nov 4, 2026.
AI/ML API rates for 5 models, per Megapixel.
| Model | Per Megapixel |
|---|---|
| $0.05 | |
| $0.014 | |
| $0.015 | |
| $0.015 | |
| $0.03 |
Give your agent the model details, code and documentation.
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"curl 'https://api.aimlapi.com/v1/images/generations' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "blackforestlabs/flux-2-flex",
"prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "blackforestlabs/flux-2-flex",
"prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}
response = requests.post("https://api.aimlapi.com/v1/images/generations", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v1/images/generations", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "blackforestlabs/flux-2-flex",
"prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());FLUX.2 Flex takes image, text as input and returns image.
FLUX.2 Flex became available on June 12, 2026.
FLUX.2 Flex costs $0.05 per Megapixel on AI/ML API, billed as you go with no subscription.
FLUX.2 Flex is billed per generation, a fixed charge per output rather than by prompt length.
Yes, FLUX.2 Flex accepts image input as well as a text prompt.
FLUX.2 Flex was built by Black Forest Labs.
Send a request to https://api.aimlapi.com/v1/images/generations with blackforestlabs/flux-2-flex as the model id.
Yes. FLUX.2 Flex is served through AI/ML API, so the same key and endpoint format used for other models applies.
No. It is an image generation model that turns text or text-plus-image prompts into images.
It is a configurable version of FLUX.2 designed to balance image quality, generation speed, and user control.