Black Forest LabsFLUX.2 [flex]VSGoogle DeepMindNano Banana 2 (Gemini 3.1 Flash Image)
Our Take
This matchup represents a choice between peak rendering fidelity and high-efficiency generation. Nano Banana 2 (Gemini 3.1 Flash Image) delivers flagship quality, leading in Realism, output quality, Character Consistency. However, FLUX.2 [flex] is optimized for rapid workflows—costing 1.3x less ($0.050 vs $0.067 per image). We recommend Nano Banana 2 (Gemini 3.1 Flash Image) for work where quality cannot be compromised, or FLUX.2 [flex] as the faster daily driver for production applications.
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Model Specs
FLUX.2 [flex]
Pricing & Speed
Cost per Generation1.3x cheaper
$50.00per 1,000 imagesSpeed Tier
fastMax Resolution2K
Model Strengths
RealismMEDIUMPrompt AdherenceHIGHeditingHIGHoutput-qualityMEDIUMCharacter ConsistencyMEDIUM-HIGHText RenderingHIGH
Model Specs
Nano Banana 2 (Gemini 3.1 Flash Image)
Pricing & Speed
Cost per Generation
$67.00per 1,000 imagesSpeed Tier
fastMax Resolution4K
Model Strengths
editingHIGHCharacter ConsistencyHIGHText RenderingHIGHRealismHIGHPrompt AdherenceHIGHoutput-qualityHIGH
Frequently Asked Questions about FLUX.2 [flex] vs Nano Banana 2 (Gemini 3.1 Flash Image)
FLUX.2 [flex] is cheaper, costing $0.0500 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.
•Nano Banana 2 (Gemini 3.1 Flash Image) is stronger in: Realism (High vs Medium), Output Quality (High vs Medium), Character Consistency (High vs Medium-High).
•Both models perform equally in: Prompt Adherence (both are High), Editing (both are High), Text Rendering (both are High).
Related Matchups
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