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Google DeepMind

Imagen 4 Ultra

VS
OpenAI

GPT Image 1.5

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

Decision Recommendation

🎨 Editorial Verdict: Both Imagen 4 Ultra and GPT Image 1.5 represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: Imagen 4 Ultra excels at Realism, Prompt Adherence, while GPT Image 1.5 offers strengths in Text Rendering, In-Context Editing.

Model Specs

Imagen 4 Ultra

Pricing & Speed

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

Model Strengths

RealismPrompt AdherenceText RenderingHigh ResolutionCreativity
Model Specs

GPT Image 1.5

Pricing & Speed

Cost per Generation1.8x cheaper
$34.00per 1,000 images
Speed TierFaster
fast
Max Resolution1.5K

Model Strengths

Text RenderingIn-Context EditingPrompt AdherenceCharacter Consistency

Frequently Asked Questions

GPT Image 1.5 is cheaper, costing $0.0340 per image generation compared to Imagen 4 Ultra at $0.0600 per image.

GPT Image 1.5 is faster, operating in the fast speed tier compared to Imagen 4 Ultra which is in the standard speed tier.

Both models share key strengths in: prompt adherence, text rendering. Imagen 4 Ultra specializes in: realism, prompt adherence, text rendering, high resolution, creativity. GPT Image 1.5 specializes in: text rendering, in context-editing, prompt adherence, character consistency.

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