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.
| Spec | GPT Image 1.5 | Seedream 4.5 |
|---|---|---|
| Cost per render | 20 credits a run | 20 credits a run |
| Input | Text prompt only | Text prompt only |
| Resolutions | Provider default | Provider default |
| Availability | Paid pool — full concurrency | Paid pool — full concurrency |
| Public renders on Ideovex | 1 | 1 |
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.