🎨 Image ModelOpen Source

FLUX.1 Fill [dev]

by Black Forest Labs

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

API Reference

Model Strengths

✨ Inpainting✨ Outpainting✨ Object Removal✨ Prompt Adherence

Pricing per Image

Self Host

Speed Tier

standard

Max Resolution

2K

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Quick Info

ProviderBlack Forest Labs
CategoryImage Generation
LicenseOpen Source

Frequently Asked Questions

FLUX.1 Fill [dev] is an open-source model that can be self-hosted, so its pricing depends on your hosting provider or compute infrastructure rather than a per-image fee.

FLUX.1 Fill [dev] supports a maximum generation resolution of 2K.

FLUX.1 Fill [dev] specializes in the following capabilities: inpainting, outpainting, object removal, prompt adherence. It operates in the standard speed tier.

FLUX.1 Fill [dev] is a publicly available open-source model developed by Black Forest Labs.

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