Model vs model

GPT Image 1.5 vs Seedream 4.5

The typography question. GPT Image 1.5 reads a brief like instructions, which is what you want when the image has words in it.

Side by side

What the catalogue says.

Running both once costs 40 credits in total.

SpecGPT Image 1.5Seedream 4.5
Cost per render20 credits a run20 credits a run
InputText prompt onlyText prompt only
ResolutionsProvider defaultProvider default
AvailabilityPaid pool — full concurrencyPaid pool — full concurrency
Public renders on Ideovex11

How to choose

What actually separates them.

  • Both cost 20 credits a render, so the choice is purely about the output.
  • Neither is better on paper. Run the two side by side on your own prompt and keep the one that reads right.

FAQ

GPT Image 1.5 vs Seedream 4.5, asked and answered.

Neither, in the abstract — they differ by prompt. GPT Image 1.5 costs 20 credits a render and Seedream 4.5 costs 20 credits a render. Ideovex exists so you do not have to take a reviewer's word for it: send one prompt to both, at the same frame size, and judge the two frames that come back.

40 credits for the pair — 20 credits for GPT Image 1.5 and 20 credits for Seedream 4.5. The exact figure is on the button before you commit, and a failed side is refunded.

Yes — both sides are real renders on real compute. A free Ideovex account with daily credits is enough to start, with no card.

Yes, and most people do. Draft on the cheaper model, then re-run the brief you like on the other one — both sit in the same studio, on the same credit balance, and a result from either can be sent onward to upscale or animate.

Settle it on your own prompt

Free account, daily credits, no card. Send one brief to GPT Image 1.5 and Seedream 4.5 and keep the frame that wins.

110+

AI models

Image, video & music — one prompt bar

22 / day

Free credits

Plus 0-credit models. No card to start.

Auto-refund

On failed renders

Credits reserved on start, refunded if it fails

One balance

For everything

Image, video and music on the same credits