Is GPT Image 2.6 better than Nano Banana 2.1?

On the public Arena leaderboards of 2 November 2026, GPT Image 2.6 Sunburst ranked above Nano Banana 2.1 for both text to image and image editing, though the 2.6 scores were preliminary. Nano Banana 2.1 is cheaper per image and goes up to 4K.

Which is cheaper, GPT Image 2.6 or Nano Banana 2.1?

Nano Banana 2.1 at high quality: Google charges $0.0336 for a 1K image, and half that in Batch. A 1024 x 1024 image on GPT Image 2.6 at high quality is estimated at about $0.053, though GPT Image 2.6 on low quality comes in under Nano Banana.

Which is better for text in images?

Neither leaderboard scores text on its own. In our ad tests GPT Image 2.6 spelled every line correctly, and Google describes Nano Banana 2.1's text rendering as enhanced. Test both on your own copy.

Can both models use my product photos?

Yes. Both accept reference images: Nano Banana 2.1 takes up to 14, and we sent GPT Image 2.6 five per ad, the reference ad plus four product photos.

GPT Image 2.6 vs Nano Banana 2.1: which is better for ads?

Updated 5 November 2026

For finished ads with exact copy and real packaging, GPT Image 2.6 is the stronger choice on current evidence. OpenAI's GPT Image models held the top five places on Arena's text-to-image leaderboard on 2 November 2026, with Google's Nano Banana 2.1 seventh. Nano Banana 2.1 wins on price and size: Google charges $0.0336 for a standard 1K image and $0.113 for 4K, accepts up to 14 reference images and offers Batch at half price.

We measured GPT Image 2.6 on real ads at $0.088 to $0.108 each, with five reference images at high quality. We have not yet run Nano Banana 2.1 through the same pipeline, so the Google figures below are Google's own and the quality comparison relies on public leaderboards.

GPT Image 2.6 and Nano Banana 2.1 at a glance

	GPT Image 2.6	Nano Banana 2.1
Maker	OpenAI	Google
API model IDs	gpt-image-2.6-sunburst, gpt-image-2.6-flare	gemini-nano-banana-2.1
Released	4 November 2026	October 2026
How it is priced	Per token: $8 per 1M image in, $5 per 1M text in, $30 per 1M image out	Per image: $0.0336 at 1K, $0.0504 at 2K, $0.113 at 4K
Batch discount	None yet	Half price
Largest output	3,840 pixels on the long side, experimental above 2560 x 1440	4K
Reference images	Several per request; we used five	Up to 14 (4 characters, 10 objects)
Arena text to image, 2 November 2026	2nd (Sunburst, preliminary), 4th (Flare)	7th
Arena image edit, 2 November 2026	3rd (Sunburst, preliminary), 5th (Flare)	8th

Price: Nano Banana 2.1 is cheaper per image

Google prices Nano Banana 2.1 by output resolution: $0.0336 for a 1K image, $0.0504 for 2K and $0.113 for 4K, and half that through Batch. OpenAI prices GPT Image 2.6 by the token, so the cost moves with the size, the quality level and how many images you send in.

For a like for like 1024 x 1024 image, eesel's estimates from OpenAI's calculator put GPT Image 2.6's output at about $0.053 on high quality and $0.025 on low. So Nano Banana 2.1 is roughly a third cheaper than GPT Image 2.6 on high, and dearer than it on low. Our real 4:5 ads on GPT Image 2.6, with five reference images, cost $0.088 to $0.108, of which $0.04 to $0.06 was the reference images. Full workings are in GPT Image 2.6 pricing.

Quality: what the leaderboards say

Arena ranks models from blind votes between two images. On its 2 November 2026 snapshot, OpenAI's GPT Image 2.5 and 2.6 models took the top five places for text to image. GPT Image 2.6 Sunburst scored 1409 and Nano Banana 2.1 1325. For image editing, 2.6 Sunburst scored 1476 and Nano Banana 2.1 1427. The 2.6 entries were preliminary, with about 3,000 votes each, and were tested at medium quality.

Artificial Analysis had not listed 2.6 when we checked. On its boards GPT Image 2.5 Sunburst at max quality ranked first for text to image, and Nano Banana 2.1 fourth, at $33.6 per 1,000 images against $210.7 for 2.5 Sunburst at max. That price gap is the trade: OpenAI's top quality costs several times more per image.

Features that matter for ads

GPT Image 2.6 has the more ad-specific tools. Nano Banana 2.1 has the bigger canvas and takes more references.

Feature	GPT Image 2.6	Nano Banana 2.1
Sizes	Custom, in multiples of 16, so 1088 x 1360 for 4:5	Priced in 1K, 2K and 4K tiers
Reference images	Several; we used five	Up to 14
Largest size	Up to 3,840 pixels, experimental above 2560 x 1440	4K
Text	Every line correct in our ad tests	Google says text rendering is enhanced

GPT Image 2.6 also offers markup-guided edits, a complexity setting, animated GIF and SVG output, and marks its images with C2PA metadata and a SynthID watermark. Google's Nano Banana 2.1 model page does not list equivalents, so check Google's documentation if you need them.

Which to use for Meta ads

Finished static ads with a headline, a list, a button and your real packaging: GPT Image 2.6, which ranks higher and spelled every line correctly in our tests.
Quick drafts and edits to a finished ad: GPT Image 2.6 Flare, which took 15 to 26 seconds per job for us.
Large batches of backgrounds and lifestyle scenes with little text: Nano Banana 2.1, for the lower price and Batch.
Large formats such as print and outdoor: Nano Banana 2.1, with its 4K tier.
Animated ads as GIFs: GPT Image 2.6.
Before you commit, run both on the same brief with the same reference images and compare cost, time and every word.

What about Nano Banana Pro and Nano Banana 2?

Nano Banana Pro (gemini-3-pro-image) and Nano Banana 2 (gemini-3.1-flash-image) are Google's earlier image models. Both cost more than 2.1, at $0.134 and $0.067 for a 1K image, and on Arena's text-to-image board Nano Banana Pro at 2K ranked 18th. For new work, Nano Banana 2.1 is the Google model to compare.

Why Mockingbird renders on GPT Image 2.6

Mockingbird remakes proven Meta ads for your brand, and those ads live or die on exact copy and a product that matches the real packaging. On our tests GPT Image 2.6 copied a supplement label word for word, small print included, and spelled every line of a ten-line list ad correctly. Paid ads render on 2.6 Sunburst and the free first ad on 2.6 Flare. More on that choice is in GPT Image 2.6 Sunburst vs Flare.

Frequently asked questions

Is GPT Image 2.6 better than Nano Banana 2.1?: On the public Arena leaderboards of 2 November 2026, GPT Image 2.6 Sunburst ranked above Nano Banana 2.1 for both text to image and image editing, though the 2.6 scores were preliminary. Nano Banana 2.1 is cheaper per image and goes up to 4K.
Which is cheaper, GPT Image 2.6 or Nano Banana 2.1?: Nano Banana 2.1 at high quality: Google charges $0.0336 for a 1K image, and half that in Batch. A 1024 x 1024 image on GPT Image 2.6 at high quality is estimated at about $0.053, though GPT Image 2.6 on low quality comes in under Nano Banana.
Which is better for text in images?: Neither leaderboard scores text on its own. In our ad tests GPT Image 2.6 spelled every line correctly, and Google describes Nano Banana 2.1's text rendering as enhanced. Test both on your own copy.
Can both models use my product photos?: Yes. Both accept reference images: Nano Banana 2.1 takes up to 14, and we sent GPT Image 2.6 five per ad, the reference ad plus four product photos.