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Google DeepMind

Nano Banana 2 (Gemini 3.1 Flash Image)

VS
OpenAI

GPT Image 2

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

Decision Recommendation

⚖️ Editorial Verdict: This comparison represents a classic price-to-performance trade-off. GPT Image 2 is the highly cost-efficient option, being 1.3x cheaper per generation. However, Nano Banana 2 (Gemini 3.1 Flash Image) operates at a faster speed tier (fast). Choose GPT Image 2 for high-volume batches, and Nano Banana 2 (Gemini 3.1 Flash Image) for interactive, real-time application pipelines.

Model Specs

Nano Banana 2 (Gemini 3.1 Flash Image)

Pricing & Speed

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

Model Strengths

In-Context EditingCharacter ConsistencyText RenderingTypographyRealismPrompt Adherence
Model Specs

GPT Image 2

Pricing & Speed

Cost per Generation1.3x cheaper
$53.00per 1,000 images
Speed Tier
standard
Max Resolution4K

Model Strengths

Text RenderingTypographyIn-Context EditingRealismPrompt AdherenceCreativity

Frequently Asked Questions

GPT Image 2 is cheaper, costing $0.0530 per image generation compared to Nano Banana 2 (Gemini 3.1 Flash Image) at $0.0670 per image.

Nano Banana 2 (Gemini 3.1 Flash Image) is faster, operating in the fast speed tier compared to GPT Image 2 which is in the standard speed tier.

Both models share key strengths in: in context-editing, text rendering, typography, realism, prompt adherence. Nano Banana 2 (Gemini 3.1 Flash Image) specializes in: in context-editing, character consistency, text rendering, typography, realism, prompt adherence. GPT Image 2 specializes in: text rendering, typography, in context-editing, realism, prompt adherence, creativity.

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