LiteLLMModels

FLUX Pro 1.1 API Pricing

As of October 10, 2026, FLUX Pro 1.1 costs $0.04 per image on Black Forest Labs.

By Black Forest LabsModel ID black_forest_labs/flux-pro-1.1Prices updated Checked
Per image
$0.04
Providers
1
Added to LiteLLM
March 2026

FLUX Pro 1.1 pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMPer imageContext
Black Forest Labsblack_forest_labs/flux-pro-1.1$0.04–

What FLUX Pro 1.1 costs in practice

Generating 1,000 images

Black Forest Labs$40.00

Use FLUX Pro 1.1 with LiteLLM

Call FLUX Pro 1.1 through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/images/generations. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import image_generation

response = image_generation(
    model="black_forest_labs/flux-pro-1.1",
    prompt="A cute baby sea otter",
)
Proxy config.yaml
model_list:
  - model_name: flux-pro-1.1
    litellm_params:
      model: black_forest_labs/flux-pro-1.1
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/images/generations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "flux-pro-1.1",
    "prompt": "A cute baby sea otter",
    "n": 1,
    "size": "1024x1024"
  }'

FLUX Pro 1.1 FAQ

How much does FLUX Pro 1.1 cost?

FLUX Pro 1.1 costs $0.04 per image on Black Forest Labs.

Which providers offer FLUX Pro 1.1?

FLUX Pro 1.1 is available from Black Forest Labs through LiteLLM, using the model name black_forest_labs/flux-pro-1.1.

How do I call FLUX Pro 1.1 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="black_forest_labs/flux-pro-1.1", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/images/generations from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

When did LiteLLM add FLUX Pro 1.1?

FLUX Pro 1.1 was added to LiteLLM's model price file in March 2026.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:

LiteLLM docs: Black Forest Labs.

Provider pages: Black Forest Labs.