FLUX.1 Kontext Dev API

Run black-forest-labs/FLUX.1-Kontext-dev through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

FLUX.1 Kontext Dev pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
Input
Output
Availability

Served by 2 providers

Requests route to DeepInfra by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
deepinfra black-forest-labs/FLUX.1-Kontext-dev
siliconflow black-forest-labs/FLUX.1-Kontext-dev
Quickstart

Call FLUX.1 Kontext Dev in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="black-forest-labs/FLUX.1-Kontext-dev",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "black-forest-labs/FLUX.1-Kontext-dev",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

FLUX.1 Kontext Dev — common questions

How much does the black-forest-labs/FLUX.1-Kontext-dev API cost?

On FastInfra, black-forest-labs/FLUX.1-Kontext-dev costs Pay-per-token pricing via provider routing. Billing is per token used, with no subscription.

Is black-forest-labs/FLUX.1-Kontext-dev compatible with the OpenAI SDK?

Yes. FastInfra exposes black-forest-labs/FLUX.1-Kontext-dev through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve black-forest-labs/FLUX.1-Kontext-dev?

black-forest-labs/FLUX.1-Kontext-dev is available from 2 provider(s): deepinfra, siliconflow. Requests route to DeepInfra by default (cheapest); append ":provider" to the model ID to pin one.