What is the difference between GPT Image 2.5 Sunburst and Nano Banana Pro?

GPT Image 2.5 Sunburst is developed by OpenAI while Nano Banana Pro is developed by Google AI. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

Which is better, GPT Image 2.5 Sunburst or Nano Banana Pro?

It depends on your use case. GPT Image 2.5 Sunburst and Nano Banana Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

How can I compare GPT Image 2.5 Sunburst and Nano Banana Pro on Rival?

This page shows a side-by-side comparison of GPT Image 2.5 Sunburst 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 Sep 2026

GPT Image 2.5 SunburstvsNano Banana Pro

GPT Image 2.5 Sunburst is the newer model, released after Nano Banana Pro.

GPT Image 2.5 Sunburst and Nano Banana Pro compared across 19 shared prompts
Spec	GPT Image 2.5 Sunburst	Nano Banana Pro
Input price	$5/M tokens	—
Output price	$30/M tokens	—
Parameters	Not disclosed	Not disclosed
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	Sep 2026	Nov 2025