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Black Forest Labs

FLUX 1.1 [pro] Ultra

VS
Google DeepMind

Nano Banana 2 (Gemini 3.1 Flash Image)

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

Decision Recommendation

🎨 Editorial Verdict: Both FLUX 1.1 [pro] Ultra and Nano Banana 2 (Gemini 3.1 Flash Image) represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: FLUX 1.1 [pro] Ultra excels at Realism, High Resolution, while Nano Banana 2 (Gemini 3.1 Flash Image) offers strengths in In-Context Editing, Character Consistency.

Model Specs

FLUX 1.1 [pro] Ultra

Pricing & Speed

Cost per Generation1.1x cheaper
$60.00per 1,000 images
Speed Tier
fast
Max Resolution4K

Model Strengths

RealismHigh ResolutionPrompt Adherence
Model Specs

Nano Banana 2 (Gemini 3.1 Flash Image)

Pricing & Speed

Cost per Generation
$67.00per 1,000 images
Speed Tier
fast
Max Resolution4K

Model Strengths

In-Context EditingCharacter ConsistencyText RenderingTypographyRealismPrompt Adherence

Frequently Asked Questions

FLUX 1.1 [pro] Ultra is cheaper, costing $0.0600 per image generation compared to Nano Banana 2 (Gemini 3.1 Flash Image) at $0.0670 per image.

Both models generate images in the fast speed tier.

Both models share key strengths in: realism, prompt adherence. FLUX 1.1 [pro] Ultra specializes in: realism, high resolution, prompt adherence. Nano Banana 2 (Gemini 3.1 Flash Image) specializes in: in context-editing, character consistency, text rendering, typography, realism, prompt adherence.

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