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Google DeepMind

Imagen 4

VS
OpenAI

GPT Image 1.5

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

Decision Recommendation

👑 Editorial Verdict: GPT Image 1.5 stands out as the superior choice over Imagen 4. It is more cost-effective (costing $0.0340 per image vs $0.0400), generates images in a faster speed tier (fast), and supports a wider range of key feature strengths (like Text Rendering, In-Context Editing, Prompt Adherence).

Model Specs

Imagen 4

Pricing & Speed

Cost per Generation
$40.00per 1,000 images
Speed Tier
fast
Max Resolution2K

Model Strengths

✨ Realism✨ Prompt Adherence✨ Text Rendering
Model Specs

GPT Image 1.5

Pricing & Speed

Cost per Generation1.2x cheaper
$34.00per 1,000 images
Speed Tier
fast
Max Resolution1.5K

Model Strengths

✨ Text Rendering✨ In-Context Editing✨ Prompt Adherence✨ Character Consistency
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Frequently Asked Questions

GPT Image 1.5 is cheaper, costing $0.0340 per image generation compared to Imagen 4 at $0.0400 per image.

Both models generate images in the fast speed tier.

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

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