Seedream API
Seedream by ByteDance generates and edits images in one model family: Seedream 5.0 in Flash, Lite and Pro tiers, and Seedream 4.5, the most used image edit model on SandBase.
Explore the model lineup
Preview the output style, compare capabilities, then open any model for full specs, pricing, and a live Playground.
Seedream 5.0 Flash Text to Image
Seedream 5.0 Flash is ByteDance's fast, low-cost Seedream 5.0 tier for high-volume text-to-image generation, with roughly 15–20 second turnaround and one flat price per image.
Seedream 5.0 Flash Edit
Seedream 5.0 Flash Editing edits and fuses up to 10 reference images from a text instruction at one flat price per image, with fast 15–20 second turnaround.
Seedream 5.0 Pro Text to Image
Seedream 5.0 Pro by Bytedance - generate stunning images from text prompts with state-of-the-art AI. Supports multiple aspect ratios, styles, and high-resolution output for creative and commercial use...
Seedream 5.0 Pro Edit
Seedream 5.0 Pro is Bytedance's intelligent image editing model. Transform, retouch, and reimagine existing images using text prompts - from background replacement to artistic style conversion.
Seedream 5.0 Lite Text to Image
Seedream 5.0 Lite — Fast Text-to-Image API The lightweight version of Seedream 5.0, delivering high-quality, low-latency AI image generation from text prompts. Ideal for real-time creative tools, e-co...
Seedream 5.0 Lite Edit
Seedream 5.0 Lite — Fast Text-to-Image API The lightweight version of Seedream 5.0, delivering high-quality, low-latency AI image generation from text prompts. Ideal for real-time creative tools, e-co...
Seedream 4.5 Text to Image
A new-generation image creation model from ByteDance, Seedream 4.5 integrates text-to-image generation and image editing into a single unified architecture, delivering high-fidelity visuals, precise p...
Seedream 4.5 Edit
A new-generation image creation model from ByteDance, Seedream 4.5 integrates text-to-image generation and image editing into a single unified architecture, delivering high-fidelity visuals, precise p...
Model lineup
The most used endpoints first.
| Model | Task | What it does |
|---|---|---|
| Seedream 4.5 Edit | Image edit | A new-generation image creation model from ByteDance, Seedream 4.5 integrates text-to-image generation and image editing into a single unified… |
| Seedream 5.0 Pro Edit | Image edit | Seedream 5.0 Pro is Bytedance's intelligent image editing model |
| Seedream 5.0 Pro Text to Image | Text → image | Seedream 5.0 Pro by Bytedance - generate stunning images from text prompts with state-of-the-art AI |
| Seedream 5.0 Lite Text to Image | Text → image | Seedream 5.0 Lite — Fast Text-to-Image API The lightweight version of Seedream 5.0, delivering high-quality, low-latency AI image generation from… |
| Seedream 5.0 Lite Edit | Image edit | Seedream 5.0 Lite — Fast Text-to-Image API The lightweight version of Seedream 5.0, delivering high-quality, low-latency AI image generation from… |
| Seedream 4.5 Text to Image | Text → image | A new-generation image creation model from ByteDance, Seedream 4.5 integrates text-to-image generation and image editing into a single unified… |
| Seedream 5.0 Flash Text to Image | Text → image | Seedream 5.0 Flash is ByteDance's fast, low-cost Seedream 5.0 tier for high-volume text-to-image generation, with roughly 15–20 second turnaround… |
| Seedream 5.0 Flash Edit | Image edit | Seedream 5.0 Flash Editing edits and fuses up to 10 reference images from a text instruction at one flat price per image, with fast 15–20 second… |
ByteDance's image generation and editing family
Seedream combines text-to-image generation and image editing. Every tier has a matching Edit endpoint.
Versions
- Seedream 5.0 Pro: the highest-quality 5.0 tier, with multiple aspect ratios and high-resolution output.
- Seedream 5.0 Lite: low-latency generation for real-time tools and e-commerce.
- Seedream 5.0 Flash: fast, low-cost generation at one flat price per image, about 15–20 seconds per image. Flash Edit fuses up to 10 reference images.
- Seedream 4.5: one unified architecture for generation and editing. Seedream 4.5 Edit is the most used image model on SandBase.
From the same team: Seedance for video. Compare Seedream with other families on Best AI Image Models and image editing.
Start using Seedream API on SandBase
One API key and one request shape for every model on this page.
- 01
Create an API key
Sign in to the SandBase Console and create a key on the API Keys page. Keep it in an environment variable and never commit it to source control.
TERMINALexport SANDBASE_API_KEY="YOUR_SANDBASE_API_KEY" - 02
Submit a run
Send a request to the Unified Run API with model bytedance/seedream/5.0/pro. Only the model field changes between models on this page.
TERMINALcurl https://api.sandbase.ai/v1/run \ -H "Authorization: Bearer $SANDBASE_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model": "bytedance/seedream/5.0/pro", "prompt": "A minimalist product photo of a ceramic coffee cup on travertine, soft morning light, 4:5"}' - 03
Fetch the result
The response includes a run id. Poll it every few seconds until the status is completed, then download the output URL.
TERMINALcurl https://api.sandbase.ai/v1/run/$RUN_ID \ -H "Authorization: Bearer $SANDBASE_API_KEY"
Questions, answered
Seedream 5.0 or 4.5?
Use 5.0 Pro for the best 5.0 quality, Lite or Flash for speed and cost. Keep 4.5 if your editing workflow is already tuned for it.
How many reference images can Seedream edit with?
Seedream 5.0 Flash Edit fuses up to 10 reference images. Pass them as an images array.
Is Seedream good for e-commerce images?
Yes. Lite is positioned for e-commerce and real-time tools, and the Edit endpoints handle product and outfit swaps.
How is Seedream priced?
Per image. Seedream 5.0 Flash has one flat price per image; other tiers are shown on the model cards.
Build with Seedream API.
One key, consistent APIs, and usage-based pricing across every model on this page.