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Black Forest Labs

FLUX.1 Fill [pro]

VS
Kuaishou (Kwai-Kolors)

Kolors

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

Decision Recommendation

👑 Editorial Verdict: FLUX.1 Fill [pro] stands out as the superior choice over Kolors. It is more cost-effective (costing $0.0500 per image vs $N/A), generates images in a faster speed tier (fast), and supports a wider range of key feature strengths (like Inpainting, Outpainting, Object Removal).

Model Specs

FLUX.1 Fill [pro]

Pricing & Speed

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

Model Strengths

✨ Inpainting✨ Outpainting✨ Object Removal✨ Prompt Adherence
Model Specs

Kolors

Pricing & Speed

Cost per Generation
Self Host
Speed Tier
standard
Max Resolution1K

Model Strengths

✨ Text Rendering
Read our data collection methodology

Frequently Asked Questions

Kolors is cheaper as it is open source and can be self-hosted, whereas FLUX.1 Fill [pro] costs $0.0500 per image generation.

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

FLUX.1 Fill [pro] specializes in: inpainting, outpainting, object removal, prompt adherence. Kolors specializes in: text rendering.

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