Which should you pick?
Seedream 4.0 is the cheaper job: 1 credit against 9-17 credits for GPT Image 2 Text to Image. Those are the credits one complete generation costs, not a headline rate, so they are directly comparable even though the two models bill differently.
At their most expensive settings the gap widens: GPT Image 2 Text to Image tops out at 17 credits a job versus 1, driven by output resolution.
GPT Image 2 Text to Image supports more aspect ratios (16: auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 2:1, 1:2, 3:1, 1:3, 21:9, 9:21, 5:4, 4:5), giving it more format flexibility.
What a job costs
GPT Image 2 Text to Image
9-17 credits
It bills a flat rate that changes with output resolution, and the price moves with output resolution.
- SD/HD9 credits
- 4K17 credits
Seedream 4.0
1 credit
It bills a flat rate per generation.
- Price1 credit
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | GPT Image 2 Text to Image | Seedream 4.0 |
|---|---|---|
| Provider | OpenAI | ByteDance |
| Cost per job | 9-17 credits | 1 credit |
| Billing | a flat rate that changes with output resolution | a flat rate per generation |
| Max resolution | 4K | 4K |
| Aspect ratios | auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 2:1, 1:2, 3:1, 1:3, 21:9, 9:21, 5:4, 4:5 | 21:9, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16, auto |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | 1K, 2K, 4K | 1K, 2K, 4K |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | #3 in text to image | Unranked |
| Released | Apr 21, 2026 | Sep 9, 2025 |
What each one does that the other doesn't
Only GPT Image 2 Text to Image
gpt, high fidelity, up to 4k, prompt adherence
Only Seedream 4.0
high resolution, 4k, bytedance
Both list: text to image, text to image.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
GPT Image 2 Text to Image
- Text to image#3
Seedream 4.0
Not on a Versely leaderboard yet.
Full GPT Image 2 Text to Image spec sheet →
OpenAI GPT Image 2 text-to-image. High-fidelity image generation with strong prompt adherence; supports up to 4K rendering.
Full Seedream 4.0 spec sheet →
ByteDance Seedream 4.0 text-to-image. High-resolution generation (up to 4K) with multi-image output and built-in prompt enhancement.
More comparisons
Frequently asked questions
Which is cheaper, GPT Image 2 Text to Image or Seedream 4.0?+
Seedream 4.0 is cheaper per job: 1 credit against 9-17 credits for GPT Image 2 Text to Image.
What can GPT Image 2 Text to Image do that Seedream 4.0 can't, or vice versa?+
Only GPT Image 2 Text to Image lists gpt, high fidelity, up to 4k, prompt adherence. Only Seedream 4.0 lists high resolution, 4k, bytedance. Both list text to image, text to image.
How do GPT Image 2 Text to Image and Seedream 4.0 bill?+
GPT Image 2 Text to Image bills a flat rate that changes with output resolution, and its price moves with output resolution. Seedream 4.0 bills a flat rate per generation. Both are charged in Versely credits.
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