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FLUX Pro V1 Fill API Pricing

By Black Forest Labs · 1 providerfal_ai/fal-ai/flux-pro/v1/fill
Price
$0.05 per image
Added

As of November 15, 2026, FLUX Pro V1 Fill costs $0.05 per image on fal.

Prices updated Checked

FLUX Pro V1 Fill 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.

FLUX Pro V1 Fill prices by provider in US dollars, token prices per 1M tokens, as of November 15, 2026. Source: LiteLLM model price file.
ProviderModel name in LiteLLMPer imageContext
falfal_ai/fal-ai/flux-pro/v1/fill$0.05–

What FLUX Pro V1 Fill costs in practice

Generating 1,000 images

fal$50.00

FLUX Pro V1 Fill features

Input: image.

Use FLUX Pro V1 Fill with LiteLLM

Call FLUX Pro V1 Fill 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="fal_ai/fal-ai/flux-pro/v1/fill",
    prompt="A cute baby sea otter",
)
Proxy config.yaml
model_list:
  - model_name: flux-pro-v1-fill
    litellm_params:
      model: fal_ai/fal-ai/flux-pro/v1/fill
      # 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 $LITELLM_API_KEY" \
  -d '{
    "model": "flux-pro-v1-fill",
    "prompt": "A cute baby sea otter",
    "n": 1,
    "size": "1024x1024"
  }'

FLUX Pro V1 Fill FAQ

How much does FLUX Pro V1 Fill cost?

FLUX Pro V1 Fill costs $0.05 per image on fal.

Which providers offer FLUX Pro V1 Fill?

FLUX Pro V1 Fill is available from fal through LiteLLM, using the model name fal_ai/fal-ai/flux-pro/v1/fill.

How do I call FLUX Pro V1 Fill with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="fal_ai/fal-ai/flux-pro/v1/fill", 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.

What features does FLUX Pro V1 Fill support?

FLUX Pro V1 Fill supports image input.

When did LiteLLM add FLUX Pro V1 Fill?

FLUX Pro V1 Fill was added to LiteLLM's model price file on November 10, 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. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:

LiteLLM docs: fal.

Provider pages: fal.