Which should you pick?
Seedream 4.5 and FLUX 3 Image Edit start at the same 4 credits for a complete generation.
Seedream 4.5 supports up to 4K, the higher of the two.
FLUX 3 Image Edit supports more aspect ratios (15: auto, 1:1, 21:9, 2:1, 16:9, 3:2, 7:5, 4:3, 5:4, 4:5, 3:4, 5:7, 2:3, 9:16, 1:2), giving it more format flexibility.
FLUX 3 Image Edit requires a starting image; Seedream 4.5 can generate from a text prompt alone.
What a job costs
Seedream 4.5
4 credits
It bills a flat rate per generation.
- Price4 credits
FLUX 3 Image Edit
4 credits
It bills a flat rate that changes with output resolution, and the price moves with output resolution.
- SD/HD/4K4 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Seedream 4.5 | FLUX 3 Image Edit |
|---|---|---|
| Provider | ByteDance | Black Forest Labs |
| Cost per job | 4 credits | 4 credits |
| Billing | a flat rate per generation | a flat rate that changes with output resolution |
| Max resolution | 4K | 1K |
| Aspect ratios | 1:1, 2:3, 3:2, 4:3, 3:4, 16:9, 9:16, 21:9 | auto, 1:1, 21:9, 2:1, 16:9, 3:2, 7:5, 4:3, 5:4, 4:5, 3:4, 5:7, 2:3, 9:16, 1:2 |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | SD, HD, 4K | 1K |
| Requires starting image | No | Yes |
| Accepts video input | No | No |
| Reference images | Up to 10 | — |
| Leaderboard | #26 in text to image | Unranked |
| Released | Dec 4, 2025 | Oct 1, 2026 |
What each one does that the other doesn't
Only Seedream 4.5
text to image, advanced, high quality, creative
Only FLUX 3 Image Edit
image editing, up to 10 references, text rendering, multi image composition
Both list: edit image, image 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.
Seedream 4.5
- Text to image#26
FLUX 3 Image Edit
Not on a Versely leaderboard yet.
Full Seedream 4.5 spec sheet →
ByteDance's Seedream 4.5 all-round image model — generation, editing and image-to-image in one endpoint, with the strong text rendering and prompt comprehension the Seedream line is known for.
Full FLUX 3 Image Edit spec sheet →
FLUX 3 Image Edit from Black Forest Labs changes an image from a plain-text instruction and can combine up to 10 reference images (a character, a product, a style) in one result. Output at 1K, in the first image's shape or one of 14 aspect ratios.
More comparisons
Frequently asked questions
Which is cheaper, Seedream 4.5 or FLUX 3 Image Edit?+
Neither — both start at 4 credits for a complete generation on Versely.
What can Seedream 4.5 do that FLUX 3 Image Edit can't, or vice versa?+
Only Seedream 4.5 lists text to image, advanced, high quality, creative. Only FLUX 3 Image Edit lists image editing, up to 10 references, text rendering, multi image composition. Both list edit image, image to image.
How do Seedream 4.5 and FLUX 3 Image Edit bill?+
Seedream 4.5 bills a flat rate per generation. FLUX 3 Image Edit bills a flat rate that changes with output resolution, and its price moves with output resolution. Both are charged in Versely credits.
Which has higher output resolution, Seedream 4.5 or FLUX 3 Image Edit?+
Seedream 4.5 supports higher output (4K against 1K).
Try both inside Versely
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