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Black Forest Labs

FLUX 1.1 [pro]

VS
Black Forest Labs

FLUX 1.1 [pro] Ultra

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

Decision Recommendation

🎨 Editorial Verdict: Both FLUX 1.1 [pro] and FLUX 1.1 [pro] Ultra represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: FLUX 1.1 [pro] excels at Realism, Prompt Adherence, while FLUX 1.1 [pro] Ultra offers strengths in Realism, High Resolution.

Model Specs

FLUX 1.1 [pro]

Pricing & Speed

Cost per Generation1.5x cheaper
$40.00per 1,000 images
Speed Tier
fast
Max Resolution2K

Model Strengths

✨ Realism✨ Prompt Adherence
Model Specs

FLUX 1.1 [pro] Ultra

Pricing & Speed

Cost per Generation
$60.00per 1,000 images
Speed Tier
fast
Max Resolution4K

Model Strengths

✨ Realism✨ High Resolution✨ Prompt Adherence
Read our data collection methodology

Frequently Asked Questions

FLUX 1.1 [pro] is cheaper, costing $0.0400 per image generation compared to FLUX 1.1 [pro] Ultra at $0.0600 per image.

Both models generate images in the fast speed tier.

Both models share key strengths in: realism, prompt adherence. FLUX 1.1 [pro] specializes in: realism, prompt adherence. FLUX 1.1 [pro] Ultra specializes in: realism, high resolution, prompt adherence.

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