What is the difference between Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition?

Nano Banana 2.1 is made by Google and Seedream 5.0 Flash Layer Decomposition by ByteDance; both are image models in the GetRun catalog. The difference you feel most in use is in the input parameters: Nano Banana 2.1 accepts seed, image_urls, aspect_ratio, while Seedream 5.0 Flash Layer Decomposition accepts size, image_url, nsfw_checker, output_format. 1 parameters are shared by both.

Which is cheaper, Nano Banana 2.1 or Seedream 5.0 Flash Layer Decomposition?

A sample run of Nano Banana 2.1 costs Rp490 / image, and Seedream 5.0 Flash Layer Decomposition costs Rp260 / layer. Those are the cost of one sample run, not a flat rate: models billed per unit are recalculated from the duration or token count you ask for, and the estimated total is always shown before the task is created.

Can I use Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition from one account?

Yes. Both run from the same rupiah balance and are called the same way: POST https://getrun.id/v1/tasks with model "google-flow/nano-banana-2-1" or "seedream/5-flash-layer-decomposition". No separate accounts, credit cards, or per-provider subscriptions — the balance is topped up through QRIS.

Can Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition be run right now?

Seedream 5.0 Flash Layer Decomposition is currently coming soon, not runnable yet. This status is read from the catalog as the page loads, so it always matches what the run button in Studio sees.

GetRun / Image / Nano Banana 2.1 vs Seedream 5.0 Flash Layer Decomposition

Nano Banana 2.1 vs Seedream 5.0 Flash Layer Decomposition

Nano Banana 2.1 from Google and Seedream 5.0 Flash Layer Decomposition from ByteDance are both image models you can run from one GetRun account on a rupiah balance. A sample run costs Rp490 / image against Rp260 / layer, and both show an estimate before the task is created. The comparison below is assembled from the catalog, so the figures match what is billed.

Comparison table

	Nano Banana 2.1	Seedream 5.0 Flash Layer Decomposition
Provider	Google	ByteDance
Cost of one sample run	Rp490 / image	Rp260 / layer
Estimated processing time	10 to 120 seconds	8 to 60 seconds
Availability	available now	coming soon, not runnable yet
Number of input parameters	4	5

The parameters that set them apart

Of the 8 parameters that appear on either model, 1 are used by both. Only Nano Banana 2.1 accepts seed, image_urls, aspect_ratio. Only Seedream 5.0 Flash Layer Decomposition accepts size, image_url, nsfw_checker, output_format.

Trying both

Both are called the same way — POST https://getrun.id/v1/tasks with {"model": "google-flow/nano-banana-2-1"} or {"model": "seedream/5-flash-layer-decomposition"} — so swapping one for the other means changing a single value, with no other code to touch. Open Nano Banana 2.1 or Seedream 5.0 Flash Layer Decomposition for sample output and the full parameter list.

Common questions

What is the difference between Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition?: Nano Banana 2.1 is made by Google and Seedream 5.0 Flash Layer Decomposition by ByteDance; both are image models in the GetRun catalog. The difference you feel most in use is in the input parameters: Nano Banana 2.1 accepts seed, image_urls, aspect_ratio, while Seedream 5.0 Flash Layer Decomposition accepts size, image_url, nsfw_checker, output_format. 1 parameters are shared by both.
Which is cheaper, Nano Banana 2.1 or Seedream 5.0 Flash Layer Decomposition?: A sample run of Nano Banana 2.1 costs Rp490 / image, and Seedream 5.0 Flash Layer Decomposition costs Rp260 / layer. Those are the cost of one sample run, not a flat rate: models billed per unit are recalculated from the duration or token count you ask for, and the estimated total is always shown before the task is created.
Can I use Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition from one account?: Yes. Both run from the same rupiah balance and are called the same way: POST https://getrun.id/v1/tasks with model "google-flow/nano-banana-2-1" or "seedream/5-flash-layer-decomposition". No separate accounts, credit cards, or per-provider subscriptions — the balance is topped up through QRIS.
Can Nano Banana 2.1 and Seedream 5.0 Flash Layer Decomposition be run right now?: Seedream 5.0 Flash Layer Decomposition is currently coming soon, not runnable yet. This status is read from the catalog as the page loads, so it always matches what the run button in Studio sees.

Other comparisons in this category

Compare other image models on Generate AI Images, Priced in Rupiah, see every comparison, or open the model catalog.