Which should you pick?
Kling Image O1 is the cheaper job: 3 credits against 4 credits for Seedream 4.5. 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: Seedream 4.5 tops out at 4 credits a job versus 3.
Seedream 4.5 supports up to 4K, the higher of the two.
Seedream 4.5 holds the stronger leaderboard position (#21 in edit image against #49 in edit image). Those are two different leaderboards unless the category matches — Versely ranks each capability separately.
Kling Image O1 supports more aspect ratios (9: 21:9, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16, auto), giving it more format flexibility.
Kling Image O1 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
Kling Image O1
3 credits
It bills per image.
- Price3 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Seedream 4.5 | Kling Image O1 |
|---|---|---|
| Provider | ByteDance | Kling |
| Cost per job | 4 credits | 3 credits |
| Billing | a flat rate per generation | per image |
| Max resolution | 4K | 2K |
| Aspect ratios | 1:1, 2:3, 3:2, 4:3, 3:4, 16:9, 9:16, 21:9 | 21:9, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16, auto |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | SD, HD, 4K | 1K, 2K |
| Requires starting image | No | Yes |
| Accepts video input | No | No |
| Reference images | Up to 10 | Up to 10 |
| Leaderboard | #21 in edit image | #49 in edit image |
| Released | Dec 4, 2025 | Dec 1, 2025 |
What each one does that the other doesn't
Only Seedream 4.5
text to image, advanced, high quality, creative
Only Kling Image O1
Nothing the other one doesn't also list.
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
- Edit image#21
- Text to image#36
Kling Image O1
- Edit image#49
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 Kling Image O1 spec sheet →
Kling Image O1 is an advanced image generation model by Kuaishou that produces high-quality, detailed images from text prompts. It leverages state-of-the-art diffusion techniques to deliver visually compelling results for creative and professional use cases.
More comparisons
Frequently asked questions
Which is cheaper, Seedream 4.5 or Kling Image O1?+
Kling Image O1 is cheaper per job: 3 credits against 4 credits for Seedream 4.5.
What can Seedream 4.5 do that Kling Image O1 can't, or vice versa?+
Only Seedream 4.5 lists text to image, advanced, high quality, creative. Both list edit image, image to image.
How do Seedream 4.5 and Kling Image O1 bill?+
Seedream 4.5 bills a flat rate per generation. Kling Image O1 bills per image. Both are charged in Versely credits.
Which has higher output resolution, Seedream 4.5 or Kling Image O1?+
Seedream 4.5 supports higher output (4K against 2K).
Which ranks higher, Seedream 4.5 or Kling Image O1?+
Seedream 4.5 sits at #21 in edit image and Kling Image O1 at #49 in edit image on Versely's live model rankings. Versely ranks each capability on its own leaderboard, so those positions are only a direct comparison when the category is the same.
Try both inside Versely
The all-in-one AI studio for creators. 60+ models for video, image, voice, music and lipsync — in your browser or on your phone.
Free account. Works in your browser - no install needed. The same account signs in on your phone.