What is the difference between GPT Image 2.5 Flare and Nano Banana 2?

GPT Image 2.5 Flare is developed by OpenAI while Nano Banana 2 is developed by Google AI. You can compare their actual outputs across 18 challenges on Rival to see how they differ in practice.

Which is better, GPT Image 2.5 Flare or Nano Banana 2?

It depends on your use case. GPT Image 2.5 Flare and Nano Banana 2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 18 challenges so you can judge which fits your needs best.

How can I compare GPT Image 2.5 Flare and Nano Banana 2 on Rival?

This page shows a side-by-side comparison of GPT Image 2.5 Flare and Nano Banana 2 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 FlarevsNano Banana 2

GPT Image 2.5 Flare is the newer model, released after Nano Banana 2.

GPT Image 2.5 Flare and Nano Banana 2 compared across 18 shared prompts
Spec	GPT Image 2.5 Flare	Nano Banana 2
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	Feb 2026

Our Verdict

GPT Image 2.5 Flare

Nano Banana 2

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

Too close to call

API pricing

Cost per 1M tokens

GPT Image 2.5 Flare

Input

$5.00

Output

$30.00

Nano Banana 2

Input

—

Output

—

Where to run it

3 hosts

GPT Image 2.5 Flare1 host

HostInOutContextUptime

OpenAI$8.00 in$8.00 out400k99.1% up

Nano Banana 22 hosts

HostInOutContextUptime

Google Vertex AI$0.50 in$3.00 out131k99.9% up Google AI Studio$0.50 in$3.00 out66k99.9% up

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

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

3 hosts

What we learned reading every model

Common questions

What is the difference between GPT Image 2.5 Flare and Nano Banana 2?

Which is better, GPT Image 2.5 Flare or Nano Banana 2?

How can I compare GPT Image 2.5 Flare and Nano Banana 2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

3 hosts

What we learned reading every model

Common questions

What is the difference between GPT Image 2.5 Flare and Nano Banana 2?

Which is better, GPT Image 2.5 Flare or Nano Banana 2?

How can I compare GPT Image 2.5 Flare and Nano Banana 2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages