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Google DeepMind

Imagen 4 Fast

VS
Wan (Kuaishou / ByteDance)

Z-Image-Turbo

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

Decision Recommendation

👑 Editorial Verdict: Z-Image-Turbo stands out as the superior choice over Imagen 4 Fast. It is more cost-effective (costing $0.0050 per image vs $0.0200), generates images in a faster speed tier (real-time), and supports a wider range of key feature strengths (like Real-Time Speed, High-Volume Gen).

Model Specs

Imagen 4 Fast

Pricing & Speed

Cost per Generation
$20.00per 1,000 images
Speed Tier
real-time
Max Resolution2K

Model Strengths

✨ Real-Time Speed✨ High-Volume Gen
Model Specs

Z-Image-Turbo

Pricing & Speed

Cost per Generation4.0x cheaper
$5.00per 1,000 images
Speed Tier
real-time
Max Resolution2K

Model Strengths

✨ Real-Time Speed✨ High-Volume Gen
Read our data collection methodology

Frequently Asked Questions

Z-Image-Turbo is cheaper, costing $0.0050 per image generation compared to Imagen 4 Fast at $0.0200 per image.

Both models generate images in the real-time speed tier.

Both models share key strengths in: real time, high volume. Imagen 4 Fast specializes in: real time, high volume. Z-Image-Turbo specializes in: real time, high volume.

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