Which should you pick?
ByteDance Seedream 4 is the cheaper job: 3 credits against 4 credits for Flux Pro. 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: Flux Pro tops out at 4 credits a job versus 3.
Flux Pro supports more aspect ratios (9: 1:1, 16:9, 3:2, 2:3, 4:5, 5:4, 9:16, 3:4, 4:3), giving it more format flexibility.
What a job costs
ByteDance Seedream 4
3 credits
It bills a flat rate per generation.
- Price3 credits
Flux Pro
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 | Flux Pro |
|---|---|---|
| Provider | ByteDance | Flux |
| 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 | 1:1, 16:9, 3:2, 2:3, 4:5, 5:4, 9:16, 3:4, 4:3 |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | 1K, 2K, 4K | SD, HD, 4K |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | Up to 10 | Up to 8 |
| Leaderboard | Unranked | Unranked |
| Released | Sep 9, 2025 | Aug 1, 2024 |
What each one does that the other doesn't
Only ByteDance Seedream 4
creative, advanced, artistic
Only Flux Pro
professional, commercial, reliable
Both list: text to image.
More comparisons
Frequently asked questions
Which is cheaper, ByteDance Seedream 4 or Flux Pro?+
ByteDance Seedream 4 is cheaper per job: 3 credits against 4 credits for Flux Pro.
What can ByteDance Seedream 4 do that Flux Pro can't, or vice versa?+
Only ByteDance Seedream 4 lists creative, advanced, artistic. Only Flux Pro lists professional, commercial, reliable. Both list text to image.
How do ByteDance Seedream 4 and Flux Pro bill?+
ByteDance Seedream 4 bills a flat rate per generation. Flux Pro bills a flat rate per generation. Both are charged in Versely credits.
Try both inside Versely
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