Seedream 4.0vs.Kling Image O1
Which one is better?
We have not tested Kling Image O1 ourselves yet. Neither is in the arena. Neither has an API price.
Same prompt, two images
Same task, the first image of each.
No image from the four fixed tasks for Kling Image O1 yet.This model does not yet have a complete GraduallyBench run.
Result for “Typography and layout”:only Seedream 4.0 tested
What the rating looks at: Legible text, hierarchy, and composition.
“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.
Missing image run for Kling Image O1
This model does not yet have a complete GraduallyBench run. Run the missing fixed tasks, archive the first output of each, and evaluate them blind.
DocumentationThe numbers at a glance
Seedream 4.0
not in the arena
Kling Image O1
not in the arena
Seedream 4.0
Rank 51 of 74
Kling Image O1
not tested yet
Seedream 4.0
no API price
Kling Image O1
no API price
Ranks among the 22 image models with an arena rating and the 74 with a GraduallyBench run; prices compared with 28 models with an API price.
Seedream 4.0
- Subscription
- No ByteDance subscription includes this model. Through other providers from €6.83 a month (Poe Basic, with limited points). 16 plans in Germany.
- Via API
- No API price known. Access: API, Web app.
Kling Image O1
- Subscription
- n/a No plan in Germany names exactly this model.
- Via API
- No API price known. Access: API.
- Weights
- unknown.
Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.
GraduallyBench from Nov 1, 2026 · Subscription database from Sep 29, 2026 (34 days old)
All data side by side
The better value is bold. For ratings only when the gap is clear.
| Kennzahl | Seedream 4.0 | Kling Image O1 |
|---|---|---|
| Ratings | ||
| Arena ratingfrom votes by users, higher is better | n/a | n/a |
| Arena rank | n/a | n/a |
| Arena votesmore votes, a safer rating | n/a | n/a |
| GraduallyBenchour own rating, 0 to 100 | 44 | n/a |
| GraduallyBench by task | ||
| Typography and layoutLegible text, hierarchy, and composition | 36 | n/a |
| Product photographyMaterials, reflections, and fine details | 31 | n/a |
| Character and detailAnatomy, clothing, and spatial consistency | 40 | n/a |
| InfographicNumbers, labels, and visual organization | 69 | n/a |
| API price | ||
| Per imagelower is better | n/a | n/a |
| 100 images | n/a | n/a |
| Profile | ||
| Released | September 2025 | n/a |
| Weightsopen means: runs locally | proprietary | unknown |
| Lifecycle | no notice | Listed as a T2I model choice through Tencent TokenHub; direct Kling API ID not verified |
| Access | API, Web app | API |
| Parameters | not published | not published |
| Largest output | 4K | not consistently published |
| Plans in Germanynaming exactly this model | 16 | n/a |
API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.
Sources: Seedream 4.0 model source (verified Aug 15, 2026) · Kling Image O1 model source, status source (verified Nov 1, 2026)
Arena ratings by category
From blind votes on LMArena. “Ahead” means the lead is clear.
No shared arena score in the stored snapshot
The stored benchmark database contains no measurement for Seedream 4.0 and Kling Image O1 from the same arena and category. Older model versions are not used as substitutes.
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