Black Forest LabsReleased on Jul 3, 2026

FLUX.1 Fill [pro]: Pricing, Performance & Examples

FLUX.1 Fill [pro] is a image generation model from Black Forest Labs, released in July 2026, with a 2K-token context window.

Mask-based inpainting and outpainting model. Repaints a masked region of a source image (Inpaint / erase) or fills newly-added canvas when expanding to a new aspect ratio (Expand / outpaint), guided by a text prompt.

Input
TextImage
Output
Image

FLUX.1 Fill [pro] examples

Recent arena outputs from FLUX.1 Fill [pro], picked from the highest-ranked matchups.

FLUX.1 Fill [pro] API

POST/v1/generations

Set for image-to-image / editing models.

Run a request to see the response

Use it in your code

OpenAI-compatible endpoint through the LLM Stats gateway.

import requests

# Create the generation. wait="auto" long-polls (up to 60s) so most short
# jobs return as "completed" in a single round-trip.
res = requests.post(
    "https://gateway.llm-stats.com/v1/generations",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "model": "flux-fill",
        "input": {"prompt": "A beautiful sunset over mountains"},
        "wait": "auto",
    },
)
job = res.json()

# If it didn't finish inside the wait window, poll the same resource.
while job["status"] in ("queued", "running"):
    res = requests.get(
        f"https://gateway.llm-stats.com/v1/generations/{job['id']}",
        params={"wait": 60},
        headers={"Authorization": "Bearer YOUR_API_KEY"},
    )
    job = res.json()

if job["status"] == "completed":
    print("image:", job["output"]["media"][0]["url"])
else:
    print("Failed:", job["error"]["message"])

Need an API key? Create one above in the playground, or read the API documentation.

FLUX.1 Fill [pro] pricing

Providers

FLUX.1 Fill [pro] starts at $0.0500 per generated image via Fal.

ProviderPrice $/imageLatency sModalities in / out
Fal logoFal
$0.0500
/

FLUX.1 Fill [pro] latency

FLUX.1 Fill [pro] time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

FLUX.1 Fill [pro] benchmarks

Rankings

Performance by category and language

Where FLUX.1 Fill [pro] is strongest across prompt themes and languages. Conservative TrueSkill score (μ − 3σ), only axes with 3+ votes.

Quality Tracker

Similar Models

How FLUX.1 Fill [pro] compares to its closest neighbors on each image arena it competes in.

Notice missing or incorrect data?

FLUX.1 Fill [pro] license

FLUX.1 Fill [pro] is a proprietary model available under its provider's product and API terms.

License
Proprietary
Hosted access

Proprietary license - usage restrictions apply

FLUX.1 Fill [pro] resources

Official sources for FLUX.1 Fill [pro]: api documentation, official playground.

Models like FLUX.1 Fill [pro]

Other image models ranked closest to FLUX.1 Fill [pro].

FAQ

Common questions about FLUX.1 Fill [pro].

Is FLUX.1 Fill [pro] available via API?

Yes, FLUX.1 Fill [pro] is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created FLUX.1 Fill [pro]?

FLUX.1 Fill [pro] was created by Black Forest Labs.

What is the license for FLUX.1 Fill [pro]?

FLUX.1 Fill [pro] is released under the Proprietary license.

Where can I use FLUX.1 Fill [pro]?

FLUX.1 Fill [pro] is available through 1 provider including Fal.