ByteDance
Seedream 4.5
Access Seedream 4.5 for 4K text-to-image generation and structured image editing with consistent detail, stable subjects, and clear small-text rendering. Use Seedream v4.5 Edit Image API for precise adjustments and multi-image workflows, or test everything instantly in UniRoute’s online playground.
Pricing
| Tier | UniRoute | Market |
|---|---|---|
| image-to-image | $0.033 | $0.04 |
| text-to-image | $0.033 | $0.04 |
per image
About this model
Seedream v4.5 text-to-image model generates high-fidelity visuals from natural language prompts with strong detail control, spatial reasoning, and aesthetic cohesion. It supports 4K output, multi-step instruction following, and consistent subject rendering across various creative and production scenarios. For teams needing tighter local editing, multi-layer separation, and denser visual information handling, ByteDance's newer <a href="https://uniroute.dev/seedream-5-0-pro" rel="dofollow">Seedream 5.0 Pro API</a> extends this workflow with more controlled image creation.
Deep dive
Seedream v4.5 Text-to-Image API
Seedream v4.5 text-to-image model generates high-fidelity visuals from natural language prompts with strong detail control, spatial reasoning, and aesthetic cohesion. It supports 4K output, multi-step instruction following, and consistent subject rendering across various creative and production scenarios. For teams needing tighter local editing, multi-layer separation, and denser visual information handling, ByteDance's newer <a href="https://uniroute.dev/seedream-5-0-pro" rel="dofollow">Seedream 5.0 Pro API</a> extends this workflow with more controlled image creation.
Seedream v4.5 Image-to-Image Edit API
Seedream v4.5 image-to-image edit model refines existing images with precise adjustments to lighting, structure, composition, and style while preserving key subject identity. Seedream v4.5 Edit Image Model API enhances details, performs targeted modifications, and supports multi-image reference input for consistent, production-ready visual editing.
E-commerce and Product Visualization with Seedream 4.5 Text to Image
Bytedance Seedream 4.5 API generates product visuals with consistent lighting, material accuracy, and 4K clarity. It suits product photography, lifestyle scenes, and color variants where uniform presentation and detail stability are required.
Call it with one request
Works with the OpenAI SDK — just change the base URL.
curl https://api.uniroute.dev/v1/images/generations \
-H "Authorization: Bearer $UNIROUTE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedream-4-5",
"prompt": "A lighthouse on a cliff at golden hour",
"size": "2K"
}'Related models
PopularCreate clearer infographics, edit images with precision, generate realistic portraits, and build multilingual visual content with ByteDance’s advanced Seedream 5.0 Pro model on UniRoute.
Access Seedream 5.0 Lite API on UniRoute for reasoning-driven image generation. Try it free in the playground or integrate via API to build scalable text-to-image and image editing workflows.
Seedream 3.0 API is ByteDance’s next-generation text-to-image API, designed for high-resolution, bilingual image generation. Compared to Seedream 2.0, the new Seedream v3 API brings major improvements in speed, resolution, text rendering, and aesthetic quality. You can try Seedream 3.0 API for free on UniRoute.