AI image models compared All on one QynTro account

Grok vs GPT Image vs Nano Banana

Grok Imagine from xAI, GPT Image from OpenAI and Nano Banana from Google all turn a written prompt into a picture. QynTro runs all three on one account, so here they are side by side: what each one does, what a picture costs today, and real pictures made with each.

Try Grok Imagine Try GPT Image Try Nano Banana

Short answer Pick Grok Imagine for five shapes up to 16:9, as PNG files. Pick GPT Image for up to 10 pictures a run and for posters and covers. Pick Nano Banana for Google's most detailed pictures and photo edits up to 4K. Or try one prompt on all three.

Puddle Jump - made with Grok Imagine 2.0 — **Grok Imagine**Grok Imagine 2.0

The Animal Fair - made with GPT Image 2.5 Flare — **GPT Image**GPT Image 2.5 Flare

Weather Whale - made with Nano Banana Pro — **Nano Banana**Nano Banana Pro

At a glance

Grok Imagine vs GPT Image vs Nano Banana, side by side

What	Grok Imagine	GPT Image	Nano Banana
Made by	xAI	OpenAI	Google
Versions on QynTro	1	5	3
Newest version	Grok Imagine 2.0	GPT Image 2.5 Flare	Nano Banana Pro
Pictures from a prompt	Grok Imagine 2.0	All five versions	Nano Banana Pro and Nano Banana
Price	One price per picture	One price per picture	One price per picture
Newest version from	5 credits Grok Imagine 2.0 · per picture	2 credits GPT Image 2.5 Flare · per picture	24 credits Nano Banana Pro · per picture
Cheapest picture	5 credits Grok Imagine 2.0 · per picture	2 credits GPT Image 2.5 Flare · per picture	5 credits Nano Banana · per picture

Prices are in media credits and are the ones the tools charge today; each tool shows the exact number before you make anything. A failed generation gives its credits back. See plans and credit packs

Which to pick

Pick by the job

Pick Grok Imagine if…

You want five shapes to pick from: square, portrait 3:4 and 9:16, and landscape 4:3 and 16:9.
You want PNG files: every picture comes at 1K as a PNG.
You want several at once: up to 10 pictures a run.

Make a Grok Imagine picture → Every Grok Imagine version

Pick GPT Image if…

You make posters, covers and thumbnails: write the words that should appear in the picture into the prompt.
You edit your own photos: GPT Image 2.5 Flare and Sunburst work in Image Editing, with up to 14 photos.
You are on a plan: PLUS includes 30 and MAX 60 GPT Image Mini pictures a day, on top of the plan's credits.

Make a GPT Image picture → Every GPT Image version

Pick Nano Banana if…

You want Google's most detailed pictures: Nano Banana Pro.
You edit photos up to 4K: Nano Banana 2 takes up to 14 source photos and returns 0.5K to 4K.
You want quick, low-cost pictures: the original Nano Banana.

Make a Nano Banana picture → Every Nano Banana version

Real results

Made on QynTro with each

Nothing here is a stock sample: each one was made on QynTro, and its page shows the exact prompt, so you can run it again with any of these models.

Grok Imagine by xAI

Red Coat, Green Scooter - made with Grok Imagine 2.0 — Red Coat, Green ScooterGrok Imagine 2.0

Candid 35mm film portrait: an elderly woman in a red wool coat laughs as she rides a mint-green scooter down a narrow sunlit Roman alley, laundry lines and shutters overhead, hard…
Full prompt and settings →

Surfacing - made with Grok Imagine 2.0 — SurfacingGrok Imagine 2.0

Overhead 35mm photograph: a young swimmer in a lime-green swim cap bursts up through the surface of a turquoise outdoor pool, water droplets frozen in the air around her, hard…
Full prompt and settings →

Orange at Sundown - made with Grok Imagine 2.0 — Orange at SundownGrok Imagine 2.0

Candid 35mm film photograph, vertical: a young man in a cobalt-blue tracksuit sits on the edge of an empty loading dock at sunset, peeling an orange and laughing at something off…
Full prompt and settings →

GPT Image by OpenAI

Orbit Nine - made with GPT Image 2.5 Flare — Orbit NineGPT Image 2.5 Flare

A one-sheet theatrical film poster for an invented retro science fiction epic titled ORBIT NINE, designed as if painted in 1979. Composition: a colossal ringed gas giant fills the…
Full prompt and settings →

Motherboard - made with GPT Image 2.5 Flare — MotherboardGPT Image 2.5 Flare

A one-sheet theatrical film poster for an invented cyber-noir titled MOTHERBOARD. Composition: a narrow rain-soaked alley at night in an unnamed megacity, shot straight down its…
Full prompt and settings →

Sunday Drivers - made with GPT Image 2.5 Flare — Sunday DriversGPT Image 2.5 Flare

A one-sheet theatrical film poster for an invented 1970s car-chase crime picture titled SUNDAY DRIVERS, designed as a hard-edged graphic split rather than a single photograph…
Full prompt and settings →

Nano Banana by Google

Departure Gardens - made with Nano Banana — Departure GardensNano Banana

A commercial airliner parked at a jungle airstrip, completely overgrown, and its fuselage has been converted into a greenhouse: the entire upper hull replaced with curved glass…
Full prompt and settings →

The Breakwater Hours - made with Nano Banana Pro — The Breakwater HoursNano Banana Pro

Cinematic square teaser poster composition with no text. A lighthouse keeper in a heavy oilskin stands at the base of a concrete lighthouse, centred, shot from low and straight…
Full prompt and settings →

Winter Tenants - made with Nano Banana — Winter TenantsNano Banana

Cinematic square teaser poster composition with no text. An elderly woman sits at a kitchen table by a window in a harbour flat, in profile, a cup of tea in front of her, the…
Full prompt and settings →

FAQ

Grok Imagine vs GPT Image vs Nano Banana: questions

Which is best: Grok Imagine, GPT Image or Nano Banana?

It depends on the picture. Grok Imagine offers five shapes as PNG files; GPT Image makes up to 10 pictures a run and suits posters and covers; Nano Banana Pro is Google's most detailed image model, and Nano Banana 2 edits photos at up to 4K. On QynTro one account runs all three, so you can try the same prompt on each and keep the one you like.

Which is cheapest?

Today the cheapest Grok Imagine picture costs 5 credits (Grok Imagine 2.0, per picture), the cheapest GPT Image picture 2 credits (GPT Image 2.5 Flare, per picture) and the cheapest Nano Banana picture 5 credits (Nano Banana, per picture). Prices are in media credits per picture, and you pay only for the pictures that come back.

Can they edit my photos?

Photo editing runs in Image Editing, where GPT Image 2.5 Flare and Sunburst and Nano Banana 2 each take up to 14 photos, and Nano Banana 2 returns 0.5K to 4K. Grok Imagine 2.0 makes pictures from a prompt. Image Editing is open to accounts that have bought a plan or a credit pack.

Can Grok Imagine make videos on QynTro?

No. On QynTro, Grok Imagine 2.0 makes pictures only. For video, see the video models, such as Kling, Veo and Seedance.

Do I need an xAI, OpenAI or Google account?

No. QynTro runs Grok Imagine, GPT Image and Nano Banana for you, so there is no xAI, OpenAI, ChatGPT or Google account, key or subscription to set up. Your QynTro credits cover all three.

More comparisons

Compare other models

AI image models Nano Banana vs GPT Image Pick Nano Banana for Google's most detailed pictures and photo edits up to 4K. Pick GPT Image for up to 10 pictures a run and for posters and covers. Or try the same prompt on both. Compare →

AI image models FLUX vs Nano Banana Pick FLUX for photoreal pictures and quick drafts, with FLUX.3 video too. Pick Nano Banana for Google's most detailed pictures and photo edits up to 4K. Or try the same prompt on both. Compare →

AI video models Kling vs Seedance Pick Kling for choice: six versions and price points. Pick Seedance for sound built in and cheap 480p drafts. Or run the same prompt on both and keep the better clip. Compare →

See every comparison

Run Grok Imagine, GPT Image and Nano Banana on one account

One QynTro account opens all three models, plus the rest of the image, video, music and voice tools.

Try Grok Imagine Try GPT Image Try Nano Banana