Text to image
Elo · text-to-image arena
Custom pricing for production workloads
Preview release of the FLUX.2 Pro image model.
blackforestlabs/flux-2-pro-previewPOST https://api.aimlapi.com/v1/images/generationsWhat is FLUX.2 Pro Preview API?
Preview release of the FLUX.2 Pro image model.
FLUX.2 Pro Preview API Pricing
- Pricing on request
Where to Use FLUX.2 Pro Preview
Production image generation and editing is a documented use case for FLUX.2 Pro Preview, which is described as Black Forest Labs’ recommended default for production image generation and editing.
Multi-reference editing is another documented use case, including combining two reference images in a single composition.
It is also documented as suitable for image generation tasks using text prompts, and the preview endpoints are described as the best place to start for such use cases.
Reproducible PNG output for downstream editing pipelines is a documented use case as well, with seeded generation and PNG output called out explicitly.
Human-preference results for FLUX.2 Pro Preview 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 Pro Preview ranks #44 of 98.
| Usage | Price | Unit |
|---|---|---|
| Image generation | $0.03 | 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 |
|---|---|
| $0.03 | |
| $0.014 | |
| $0.015 | |
| $0.015 | |
| $0.05 |
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-pro-preview",
"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-pro-preview",
"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-pro-preview",
"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 Pro Preview takes image, text as input and returns image.
FLUX.2 Pro Preview became available on June 12, 2026.
FLUX.2 Pro Preview costs $0.03 per Megapixel on AI/ML API, billed as you go with no subscription.
FLUX.2 Pro Preview is billed per generation, a fixed charge per output rather than by prompt length.
Yes, FLUX.2 Pro Preview accepts image input as well as a text prompt.
FLUX.2 Pro Preview was built by Black Forest Labs.
Send a request to https://api.aimlapi.com/v1/images/generations with blackforestlabs/flux-2-pro-preview as the model id.
Yes. FLUX.2 Pro Preview is served through AI/ML API, so the same key and endpoint format used for other models applies.
Use blackforestlabs/flux-2-pro-preview as the model parameter. Requests go to https://api.aimlapi.com/v1/images/generations with your AI/ML API key.