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FLUX.1 Fill [pro]

Text-driven inpainting that edits masked regions of an image.

Black Forest Labsflux-pro-1.0-fill2024-11-21Report incorrect data

Specs

Context
—
Max output
—
Input price
—
Output price
$0.05/ image
Released
2024-11-21

Context

Not published

Pricing · USD / image

Input
—
Output
$0.05
Cache read
—
Cache write
—

Modalities

Input
TextImage
Output
Image

API

API types
images

Reasoning

Not published

Info

Status
Active
Released
2024-11-21
Knowledge cutoff
—

Features

Not published
Source · official docsVerified 2026-10-11

How to call

1 provider

black-forest-labsmodel = flux-pro-1.0-fill

images
POSThttps://api.bfl.ai/v1/flux-pro-1.0-fill

JSON

Standard format
flux-pro-1.0-fill.json
{
  "id": "flux-pro-1.0-fill",
  "object": "model",
  "created": 1732147200,
  "owned_by": "black-forest-labs",
  "name": "FLUX.1 Fill [pro]",
  "api": {
    "types": [
      "images"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text",
      "image"
    ],
    "output": [
      "image"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "image",
    "input": null,
    "output": 0.05,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": "2024-11-21",
    "knowledge_cutoff": null,
    "description": "Text-driven inpainting that edits masked regions of an image.",
    "docs": "https://docs.bfl.ml/flux_1_fill",
    "verified_at": "2026-10-11"
  }
}

Official sources

4