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Google DeepMind

Imagen 4 Fast

VS
Google DeepMind

Imagen 4 Ultra

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

Decision Recommendation

⚖️ Editorial Verdict: This comparison represents a classic price-to-performance trade-off. Imagen 4 Fast is the highly cost-efficient option, being 3.0x cheaper per generation. However, Imagen 4 Ultra operates at a faster speed tier (standard). Choose Imagen 4 Fast for high-volume batches, and Imagen 4 Ultra for interactive, real-time application pipelines.

Model Specs

Imagen 4 Fast

Pricing & Speed

Cost per Generation3.0x cheaper
$20.00per 1,000 images
Speed Tier
real-time
Max Resolution2K

Model Strengths

Real-Time SpeedHigh-Volume Gen
Model Specs

Imagen 4 Ultra

Pricing & Speed

Cost per Generation
$60.00per 1,000 images
Speed TierFaster
standard
Max Resolution2K

Model Strengths

RealismPrompt AdherenceText RenderingHigh ResolutionCreativity

Frequently Asked Questions

Imagen 4 Fast is cheaper, costing $0.0200 per image generation compared to Imagen 4 Ultra at $0.0600 per image.

Imagen 4 Ultra is faster, operating in the standard speed tier compared to Imagen 4 Fast which is in the real-time speed tier.

Imagen 4 Fast specializes in: real time, high volume. Imagen 4 Ultra specializes in: realism, prompt adherence, text rendering, high resolution, creativity.

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