Using Seedream 5.0 Flash on OpenRouter

Implementation guide · Seedream · ByteDance

Serverless

OpenRouter exposes Seedream 5.0 Flash through model ID bytedance-seed/seedream-5-0-flash. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-17. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call bytedance-seed/seedream-5-0-flash — see the documentation for request format.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

Capabilities

Multimodal

About Seedream 5.0 Flash

Seedream 5.0 Flash is ByteDance Seed's image generation and editing model, released in September 2026. It does text-to-image, single and multi-image-to-image, interactive editing guided by coordinates, boxes and arrows, layer decomposition (1 base image plus up to 16 layers), and native multilingual text rendering. Output resolutions are 1K, 1.5K and 2K, in PNG or JPEG. Proprietary API model: Volcengine Ark doubao-seedream-5-0-flash-260915, BytePlus ModelArk dola-seedream-5-0-flash-260915.

Full model details →

Model Specs

More Models on OpenRouter

Seedream 5.0 LiteSeedream 5.0 Pro
All models on OpenRouter →

Also available on(3)

Volcenginefal APIBytePlus
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Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA