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Black Forest Labs

FLUX.1 [dev]

VS
Black Forest Labs

FLUX.1 Fill [dev]

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

Decision Recommendation

🎨 Editorial Verdict: Both FLUX.1 [dev] and FLUX.1 Fill [dev] represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: FLUX.1 [dev] excels at Realism, Prompt Adherence, while FLUX.1 Fill [dev] offers strengths in Inpainting, Outpainting.

Model Specs

FLUX.1 [dev]

Pricing & Speed

Cost per Generation
Self Host
Speed Tier
standard
Max Resolution2K

Model Strengths

✨ Realism✨ Prompt Adherence
Model Specs

FLUX.1 Fill [dev]

Pricing & Speed

Cost per Generation
Self Host
Speed Tier
standard
Max Resolution2K

Model Strengths

✨ Inpainting✨ Outpainting✨ Object Removal✨ Prompt Adherence
Read our data collection methodology

Frequently Asked Questions

Both models can be self-hosted.

Both models generate images in the standard speed tier.

Both models share key strengths in: prompt adherence. FLUX.1 [dev] specializes in: realism, prompt adherence. FLUX.1 Fill [dev] specializes in: inpainting, outpainting, object removal, prompt adherence.

Want to customize weights or add more models?

Open our interactive dashboard where you can adjust your priority levels for speed, budget, or accuracy slider-bars and watch model rankings calculate dynamically.

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