whatmodel.sh / image / Seedream 4.5
Seedream 4.5
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Seedream 4.5 is a closed-weights image model from ByteDance.
Score within the LMArena text-to-image comparison set only.
$ how it compares
The image models ranked either side of Seedream 4.5, out of 197 with a score, then more from ByteDance.
| # | model | score | where | ||
|---|---|---|---|---|---|
| 28 |  Grok Imagine Image Pro | 65±2 | api $0.050/image | ||
| 29 |  Seedream 5.0 Lite | 65±2 | api $0.035/image | ||
| 30 | Seedream 4.5 | 64±1 | api $0.040/image | ||
| 31 |  Recraft V4.1 Utility Pro | 64±2 | api $0.21/image | ||
| 32 |  FLUX.2 [max] | 64±1 | api $0.070/image | ||
| more from ByteDance | |||||
| 129 | UNO | 43±4 | local | ||
| 156 | SDXL-Lightning (4-step UNet) | 37±3 | local | ||
$ what it's good at
text to image▂▅▅▃▄▄█▃▁▂▁▁ #28 of 126 · 61% of its score · 3 tests
Trails FLUX.2 [flex], FLUX.2 [pro], FLUX.2 [max] here, though they rank lower overall.
| test | result | vs the others in its run | counts |
|---|---|---|---|
| GenExam (relaxed overall, GPT-5 judge) | 59.5% ✎ | ▄█▂▂▂▂▆▄·▂·▂ beats 12/16 | 35% |
| LMArena text-to-image | 1148.5 ✎ | ▂▂▃▄▇█▄▂▄▂·▂ beats 43/75 | 23% |
| Qwen-Image-Bench (Q-Judger, v1) | 56.8% ✎ | █▅▅·▅▅█·█··▃ beats 11/17 | 2.5% |
image to image / editing▁▁·▃▂▃█▃▃▄▁▁ #24 of 62 · 35% of its score · 4 tests
Trails HunyuanImage 3.0-Instruct, Wan 2.7 Image Pro here, though they rank lower overall.
| test | result | vs the others in its run | counts |
|---|---|---|---|
| Edit-Compass (EN, overall) | 64.4% ✎ | ▃▃▂·▃▆▂█·▃·▃ beats 17/20 | 18% |
| Arena image edit | 1301.9 ✎ | ▂▁▁▂▆▇█▄▆▅▁▂ beats 29/53 | 8.9% |
| GEBench GUI state generation (English GE-Score) | 50.0% ✎ | ▄▄····▄▄█▄·█ beats 3/8 | 4.5% |
| GEditBench v2 (overall Elo) | 1089.0 ✎ | ▃▂····▂█▂▃▂▃ beats 13/14 | 3.5% |
other tests1 not in a task · 3.7% of its score
| test | result | vs the others in its run | counts |
|---|---|---|---|
| Rapidata Benchmark.ai image benchmark (overall Elo) | 1046.7 ✎ | ▁▁▁▄▂█▃▁▁▂▁▁ beats 25/34 | 3.7% |
$ where to run it
Through an API
api · BytePlus ModelArk · $0.040/image · docs.byteplus.com ↗ · price sourceUSD per output image on BytePlus ModelArk; input images free; failed/moderated images not billed; sequential generation billed per generated image. Product: BytePlus ModelArk image generation. API model: seedream-4-5-251128. Settings: n=1. Price basis: published list rate. Currency: USD. BytePlus official pricing page, observed 2026-09-25.
$ how the score was worked out · GenExam: A Multidisciplinary… 35%, LMArena leaderboard dataset 32%, Edit-Compass & EditReward-Com… 18% and 4 more
Each result implies a score on its own, after adjusting for how hard its test is and who ran it. The score is their weighted average, with a small pull toward the middle for thinly tested models. Each test's weight is its counts column above; here it's added up by who ran the tests. How it works
$ improve this page
Use a short GitHub form or edit the data through a pull request. Every number needs a source; here's which ones we can use.
data updated · sources and licences · json