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Black Forest LabsFLUX.1 Fill [pro]VSBlack Forest LabsFLUX.2 [pro]

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

Our Take

This matchup presents a clear distinction between specialized image editing and foundation generation. FLUX.1 Fill [pro] is a purpose-built model featuring dedicated specializations in Inpainting (Mask Fill) & Outpainting (Canvas Expansion) via a fast cloud API ($0.050/img). Meanwhile, FLUX.2 [pro] is engineered as a general foundation model. Choose FLUX.1 Fill [pro] if your workflow requires mask editing, fill tasks, or canvas expansion, or FLUX.2 [pro] for general image creation.
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Model Specs

FLUX.1 Fill [pro]

Pricing & Speed

Cost per Generation
$50.00per 1,000 images
Speed TierFaster
fast
Max Resolution2K

Model Strengths

RealismHIGHPrompt AdherenceHIGHeditingHIGHoutput-qualityHIGHCharacter ConsistencyHIGHText RenderingHIGH
Model Specs

FLUX.2 [pro]

Pricing & Speed

Cost per Generation1.7x cheaper
$30.00per 1,000 images
Speed Tier
standard
Max Resolution2K

Model Strengths

RealismMEDIUM-HIGHPrompt AdherenceHIGHeditingMEDIUM-HIGHoutput-qualityMEDIUM-HIGHCharacter ConsistencyMEDIUM-HIGHText RenderingHIGH

Frequently Asked Questions about FLUX.1 Fill [pro] vs FLUX.2 [pro]

FLUX.2 [pro] is cheaper, costing $0.0300 per image generation compared to FLUX.1 Fill [pro] at $0.0500 per image.

FLUX.1 Fill [pro] is faster, operating in the fast speed tier compared to FLUX.2 [pro] which is in the standard speed tier.

FLUX.1 Fill [pro] is stronger in: Realism (High vs Medium-High), Editing (High vs Medium-High), Output Quality (High vs Medium-High), Character Consistency (High vs Medium-High).
Both models perform equally in: Prompt Adherence (both are High), Text Rendering (both are High).

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