Seedream 5.5 is ByteDance’s image generation and editing model for product visuals, advertising, and design assets. It supports precise multi-turn editing and native RGBA output for transparent assets, with improved preservation of unedited regions, more natural lighting and textures, and clearer Chinese and English text, including dense small text.
Doubao Seedream 5.5 vs GPT Image 2.6 Sunburst
Compare Doubao Seedream 5.5 from ByteDance and GPT Image 2.6 Sunburst from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
GPT-Image-2.6 Sunburst is OpenAI’s image generation and editing model for visual work requiring detail, precision, and consistency across edits. The Images 2.6 family delivers 50% faster image generation, while Sunburst offers higher-quality generation and greater consistency at medium or high quality settings. It supports GIF creation, SVG exports, markup-guided editing, and a complexity parameter for controlling scene planning.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
What inputs and capabilities does each model support?
Doubao Seedream 5.5 accepts image and text input; GPT Image 2.6 Sunburst accepts text and image input.
Can I call Doubao Seedream 5.5 and GPT Image 2.6 Sunburst with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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