Using Seedream 5.0 Lite on Vercel AI Gateway

Implementation guide · Seedream · ByteDance

Serverless

Vercel AI Gateway exposes Seedream 5.0 Lite through model ID bytedance/seedream-5.0-lite. 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
Create an account at Vercel AI Gateway and generate an API key.
2
Use the Vercel AI Gateway SDK or REST API to call bytedance/seedream-5.0-lite — see the documentation for request format.

API Portal Documentation Pricing Model Card

Code Examples

Install

pip install openai

API key

AI_GATEWAY_API_KEY

Model ID

bytedance/seedream-5.0-lite

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="bytedance/seedream-5.0-lite",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

Type	Rate
Image input	$0.04

Capabilities

Multimodal

About Seedream 5.0 Lite

Seedream 5.0 Lite is ByteDance Seed's image creation model, launched 2026-02-13, with deeper reasoning and online search. It does text-to-image, single and multi-image-to-image, and sequential image sets (reference images plus outputs up to 15), with 2K/3K/4K output, streaming, and web search. Proprietary API model: Volcengine Ark doubao-seedream-5-0-260128 (also doubao-seedream-5-0-lite-260128); fal fal-ai/bytedance/seedream/v5/lite/text-to-image.

Full model details →

Model Specs

Released2026-02-13

Vercel