Imagen 4
Google's latest photorealistic model
Updated August 27, 2026
Vendor
Credits
10 credits
Speed
~6s
Rating
★★★★★
When to Pick Imagen 4
The catalog brackets Imagen 4 at 10 credits per image — 19 models cost less, 9 cost more. The ~6s latency suits deliberate work — worth the wait when the result is a deliverable, wasteful for throwaway drafts. Its catalog tags read photoreal and realism — the areas where it outperforms general-purpose picks. Reach for Imagen 4 when photoreal matters most and you would rather not open a separate Google account to get it.
When to Look Elsewhere
If budget is the dominant constraint, Nano Banana delivers solid results at 9 credits — 1 credits cheaper per image than Imagen 4. When you are cycling through dozens of drafts, FLUX.1 Schnell at ~2s per image keeps the loop tighter than Imagen 4's ~6s. For maximum fidelity regardless of cost or wait, the flagship tier above Imagen 4 is the stronger call on complex prompts.
Imagen 4 FAQ
How much does Imagen 4 cost?
Imagen 4 costs 10 credits per image on UnitPic. Credits work across every model in the catalog — you buy one balance and spend it on Google models, OpenAI models, or anything else without a separate subscription.
How fast is Imagen 4?
~6s per image is the typical wait. In catalog terms that makes it a deliberate generator — right for deliverables, wrong for throwaway drafts.
What is Imagen 4 best at?
It is strongest at photoreal, realism. Google's latest photorealistic model In the UnitPic Studio you can run it next to other models on the same prompt and judge the difference for yourself.
Is Imagen 4 worth it compared to cheaper models?
There are 17 cheaper models here. What the extra credits buy is photoreal and realism — most visible in finish and how closely it follows the prompt. Try the honest test: one prompt through Imagen 4 and the cheapest model in Studio, keep the winner.
Compare Imagen 4 With...
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The fastest Gemini image model, ideal for rapid iteration
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