What is the difference between Imagen 4 and Nano Banana Pro?

Both are developed by Google AI but target different use cases. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

Which is better, Imagen 4 or Nano Banana Pro?

It depends on your use case. Imagen 4 and Nano Banana Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.

How can I compare Imagen 4 and Nano Banana Pro on Rival?

This page shows a side-by-side comparison of Imagen 4 and Nano Banana Pro across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Nov 2025

Imagen 4vsNano Banana Pro

Nano Banana Pro is the newer model, released after Imagen 4.

Imagen 4 and Nano Banana Pro compared across 17 shared prompts
Spec	Imagen 4	Nano Banana Pro
Weights	—	Closed
Free API (OpenRouter)	—	No
Released	May 2025	Nov 2025

Our Verdict

Imagen 4

Nano Banana Pro

Not enough votes to call it. On the specs, nothing separates them.

Imagen 4 takes Image Generation.

Too close to call

Where to run it

2 hosts

Imagen 4

No hosts listed on OpenRouter.

Nano Banana Pro2 hosts

HostInOutContextUptime

Google Vertex AI$2.00 in$12.00 out66k99.6% up Google AI Studio$2.00 in$12.00 out131k99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

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2 hosts

What we learned reading every model

Common questions

What is the difference between Imagen 4 and Nano Banana Pro?

Which is better, Imagen 4 or Nano Banana Pro?

How can I compare Imagen 4 and Nano Banana Pro on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

2 hosts

What we learned reading every model

Common questions

What is the difference between Imagen 4 and Nano Banana Pro?

Which is better, Imagen 4 or Nano Banana Pro?

How can I compare Imagen 4 and Nano Banana Pro on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages