Seedream 5.5 vs GPT Image 2.6 Sunburst
ImageImageByteDance · OpenAI · last verified 11/11/2026
Start with the conditional verdict, then compare pricing, parameters and official samples. The samples are not from the same prompt; the verdict only uses verifiable data.
Choose Seedream 5.5 if
- Budget first: from $0.019/run
- Max resolution 2k
- Vendor ByteDance
Choose GPT Image 2.6 Sunburst if
- Max resolution 4k
- Vendor OpenAI
Specs
Only task, starting price, resolution, duration and explicit capabilities.
| Dimension | Seedream 5.5 | GPT Image 2.6 Sunburst |
|---|---|---|
| Task | Text to image | Text to image |
| Starting price | $0.019/run | $0.045/run |
| Resolution | 1k / 1.5k / 2k | 1k / 2k / 4k |
| Aspect ratio | 1:1 / 1:2 / 2:1 / 1:3 / 3:1 / 2:3 +9 | 1:1 / 1:2 / 2:1 / 1:3 / 3:1 / 2:3 +9 |
| Duration | — | — |
| Explicit capabilities | Text to image | Text to image |
Explicit capabilities are only those stated in the official description. Nothing is inferred.
Pricing
Starting prices and default configurations. Refer to the official source for actual cost.
Official samples
Each model’s official samples, not a same-prompt benchmark.
Seedream 5.5
Text to imageA young woman reading a book on a sunlit park bench in autumn, golden leaves on the ground, soft afternoon light, natural candid photo, photorealistic, shot on 50mm
GPT Image 2.6 Sunburst
Text to imageA bright, casual phone photo of a busy farmers market fruit stall on a sunny morning: crates of strawberries, peaches, lemons, blueberries, green apples, cherries, plums and figs, each crate with its own handwritten cardboard price sign, a smiling vendor in a denim apron weighing fruit, shoppers with tote bags in the background, natural light, unbranded
Related comparisons
Switch to another model of the same type.
FAQ
- Which is cheaper, Seedream 5.5 or GPT Image 2.6 Sunburst?
- Seedream 5.5 starts at $0.019/run, and GPT Image 2.6 Sunburst starts at $0.045/run. By starting price, Seedream 5.5 is lower. Actual cost also varies with resolution, duration and retries.
- Does Seedream 5.5 support Chinese text?
- The official description does not explicitly list Chinese text capability. Validate with your actual copy before making a Chinese poster.
- Does GPT Image 2.6 Sunburst support Chinese text?
- The official description does not explicitly list Chinese text capability. Validate with your actual copy before making a Chinese poster.
- Were these samples generated from the same prompt?
- The page shows each model’s official samples. Prompts and parameters are defined by the original page, not a same-prompt benchmark. A same-prompt benchmark requires real API calls and will be labeled in the task gallery once the data is ready.