AI image model comparison

Nano Banana 2.1 vs GPT Image 2.5 Flare

Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.

Per image
Not available
Output / 1M
$30
Image Elo
Not available

GPT Image 2.5 Flare is an image generation and editing model from OpenAI, positioned as the speed-oriented tier of the GPT Image 2.5 series.

Per image
Not available
Output / 1M
$30
Image Elo
Not available

At a glance

Quick verdict

Which model wins on the things that matter most when you're making images.

Cheaper per image

Not available

Per-image price is not available

Better image quality

Not available

Not enough arena data

Better at editing

Not available

Not enough arena data

Newer release

google logo

Nano Banana 2.1

Released October 6, 2026

Pricing

Nano Banana 2.1 vs GPT Image 2.5 Flare price per image

What each image actually costs, plus the underlying API rates. Cheaper option highlighted.

Metricgoogle logoNano Banana 2.1openai logoGPT Image 2.5 Flare
Cost per imageEstimated, ~1 megapixel (1024×1024)Not availableNot available
Image outputPer 1M image tokens$30$30
Tokens per imageHow many image tokens one ~1MP image usesNot availableNot available
Prompt textPer 1M input tokens$1.50$8

What it costs in practice

Estimated totals at standard resolution.

Single image

1 image

google logoNano Banana 2.1Not available
openai logoGPT Image 2.5 FlareNot available

Social media batch

50 images

google logoNano Banana 2.1Not available
openai logoGPT Image 2.5 FlareNot available

Product catalog

1,000 images

google logoNano Banana 2.1Not available
openai logoGPT Image 2.5 FlareNot available

Specs

Inputs, outputs, and limits

What each model accepts, what it gives back, and how long your prompt can be.

Metricgoogle logoNano Banana 2.1openai logoGPT Image 2.5 Flare
AcceptsImage, TextImage, Text
ProducesImage, TextImage
Max prompt lengthText plus reference images66K tokens400K tokens
Reasoning stepOptionalNo
Release dateOctober 6, 2026September 9, 2026

Features

Supported features

Creative controls available for each model.

Metricgoogle logoNano Banana 2.1openai logoGPT Image 2.5 Flare
Image editingAccepts reference or source imagesSupportedSupported
Text alongside imagesCan explain or caption what it madeSupportedNot supported
Thinks before drawingPlans the image with a reasoning stepSupportedNot supported
Reproducible seedsSame seed, same imageSupportedSupported
Temperature controlTrade consistency for varietySupportedNot supported

FAQ

Frequently asked questions

Can Nano Banana 2.1 and GPT Image 2.5 Flare edit existing images?

Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.

Can I use Nano Banana 2.1 and GPT Image 2.5 Flare at the same time?

Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana 2.1 and GPT Image 2.5 Flare results side by side and keep the one you like.

google logoopenai logo

Why choose? Generate with both.

Send one prompt to Nano Banana 2.1 and GPT Image 2.5 Flare at the same time. See both images side by side and keep the one you like.