Black Forest LabsReleased on Jan 1, 2025

Flux 2 Pro: Benchmarks, Pricing & Context Window

Flux 2 Pro is a image generation model from Black Forest Labs, released in January 2025.

High-quality image generation and editing with support for eight reference images

Input
TextImage
Output
Image

Flux 2 Pro examples

Recent arena outputs from Flux 2 Pro, picked from the highest-ranked matchups.

Flux 2 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-2-pro",
        "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 2 Pro pricing

Providers

Flux 2 Pro starts at $0.0200 per generated image via Replicate.

ProviderPrice $/imageLatency sInputOutput
Replicate logoReplicate
$0.0200

Flux 2 Pro benchmarks

Image Arena Performance

Performance by category and language

Where Flux 2 Pro is strongest across prompt themes and languages. Conservative TrueSkill score (μ − 3σ), only axes with 3+ votes.

Leaderboard Rankings

Quality Tracker

Similar Models

How Flux 2 Pro compares to its closest neighbors on each image arena it competes in.

Notice missing or incorrect data?

Community Benchmarks

How Flux 2 Pro ranks in community-created evaluations.

Flux 2 Pro license

Flux 2 Pro is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

Models like Flux 2 Pro

Other image models ranked closest to Flux 2 Pro.

FAQ

Common questions about Flux 2 Pro.

Who created Flux 2 Pro?

Flux 2 Pro was created by Black Forest Labs.

What is the license for Flux 2 Pro?

Flux 2 Pro is released under the Proprietary license.

Is Flux 2 Pro multimodal?

Yes, Flux 2 Pro is a multimodal model that can process both text and images as input.