Which should you pick?
ByteDance Seedream 4 is the cheaper job: 3 credits against 4 credits for ImagineArt 1.5. 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: ImagineArt 1.5 tops out at 4 credits a job versus 3.
ImagineArt 1.5 supports more aspect ratios (9: 3:1, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16, 1:3), giving it more format flexibility.
What a job costs
ByteDance Seedream 4
3 credits
It bills a flat rate per generation.
- Price3 credits
ImagineArt 1.5
4 credits
It bills a flat rate per generation.
- Price4 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | ByteDance Seedream 4 | ImagineArt 1.5 |
|---|---|---|
| Provider | ByteDance | Imagine |
| Cost per job | 3 credits | 4 credits |
| Billing | a flat rate per generation | a flat rate per generation |
| Max resolution | 4K | 4K |
| Aspect ratios | 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9 | 3:1, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16, 1:3 |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | 1K, 2K, 4K | — |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | Up to 10 | — |
| Leaderboard | Unranked | Unranked |
| Released | Sep 9, 2025 | Nov 1, 2025 |
What each one does that the other doesn't
Only ByteDance Seedream 4
advanced
Only ImagineArt 1.5
emotional
Both list: text to image, creative, artistic.
Full ByteDance Seedream 4 spec sheet →
Seedream 4 — the previous-generation ByteDance image model. Still a capable, lower-cost text-to-image pick when you don't need 4.5's stronger prompt comprehension.
Full ImagineArt 1.5 spec sheet →
Imagine Art 1.5 — stylised, mood-led image generation that leans expressive rather than literal. Suits emotive social visuals, album-art energy and illustrative looks.
More comparisons
Frequently asked questions
Which is cheaper, ByteDance Seedream 4 or ImagineArt 1.5?+
ByteDance Seedream 4 is cheaper per job: 3 credits against 4 credits for ImagineArt 1.5.
What can ByteDance Seedream 4 do that ImagineArt 1.5 can't, or vice versa?+
Only ByteDance Seedream 4 lists advanced. Only ImagineArt 1.5 lists emotional. Both list text to image, creative, artistic.
How do ByteDance Seedream 4 and ImagineArt 1.5 bill?+
ByteDance Seedream 4 bills a flat rate per generation. ImagineArt 1.5 bills a flat rate per generation. Both are charged in Versely credits.
Try both inside Versely
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