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Black Forest Labs

FLUX.1 Fill [dev]

VS
Black Forest Labs

FLUX.1 Kontext [pro]

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

Decision Recommendation

🎨 Editorial Verdict: Both FLUX.1 Fill [dev] and FLUX.1 Kontext [pro] represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: FLUX.1 Fill [dev] excels at Inpainting, Outpainting, while FLUX.1 Kontext [pro] offers strengths in In-Context Editing, Character Consistency.

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
Model Specs

FLUX.1 Kontext [pro]

Pricing & Speed

Cost per Generation
$40.00per 1,000 images
Speed TierFaster
fast
Max Resolution2K

Model Strengths

✨ In-Context Editing✨ Character Consistency✨ Prompt Adherence
Read our data collection methodology

Frequently Asked Questions

FLUX.1 Fill [dev] is cheaper as it is open source and can be self-hosted, whereas FLUX.1 Kontext [pro] costs $0.0400 per image generation.

FLUX.1 Kontext [pro] is faster, operating in the fast speed tier compared to FLUX.1 Fill [dev] which is in the standard speed tier.

Both models share key strengths in: prompt adherence. FLUX.1 Fill [dev] specializes in: inpainting, outpainting, object removal, prompt adherence. FLUX.1 Kontext [pro] specializes in: in context-editing, character consistency, prompt adherence.

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