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Google DeepMind

Nano Banana 2 (Gemini 3.1 Flash Image)

VS
Wan (Kuaishou / ByteDance)

Z-Image-Turbo

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

Decision Recommendation

⚖️ Editorial Verdict: This comparison represents a classic price-to-performance trade-off. Z-Image-Turbo is the highly cost-efficient option, being 13.4x cheaper per generation. However, Nano Banana 2 (Gemini 3.1 Flash Image) operates at a faster speed tier (fast). Choose Z-Image-Turbo 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 Editing✨ Character Consistency✨ Text Rendering✨ Typography✨ Realism✨ Prompt Adherence
Model Specs

Z-Image-Turbo

Pricing & Speed

Cost per Generation13.4x cheaper
$5.00per 1,000 images
Speed Tier
real-time
Max Resolution2K

Model Strengths

✨ Real-Time Speed✨ High-Volume Gen
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Frequently Asked Questions

Z-Image-Turbo is cheaper, costing $0.0050 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 Z-Image-Turbo which is in the real-time speed tier.

Nano Banana 2 (Gemini 3.1 Flash Image) specializes in: in context-editing, character consistency, text rendering, typography, realism, prompt adherence. Z-Image-Turbo specializes in: real time, high volume.

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