FLUX.1 Kontext Dev API
Run black-forest-labs/FLUX.1-Kontext-dev through FastInfra's API.
Pay per token, no subscription, routed to the cheapest available provider.
FLUX.1 Kontext Dev pricing
Billed per token used. Prices sync automatically from wholesale providers.
| Direction | Price per 1M tokens |
|---|---|
| Input | — |
| Output | — |
2 routes available
Requests route to route-21 by default (lowest cost). FastInfra fails over automatically if a route is unavailable.
| Route label | Model ID |
|---|---|
route-21 |
black-forest-labs/FLUX.1-Kontext-dev |
route-18 |
black-forest-labs/FLUX.1-Kontext-dev |
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!"}]
}'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 automatic 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.
How does routing work for black-forest-labs/FLUX.1-Kontext-dev?
black-forest-labs/FLUX.1-Kontext-dev is available on 2 route(s): route-21, route-18. Requests use route-21 by default (lowest cost). FastInfra fails over automatically if a route is unavailable.
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