Vercel AI Gateway adds Seedream 5.0 Pro (ByteDance)

What's new

• Seedream 5.0 Pro on Gateway: ByteDance's professional image model available via Vercel AI Gateway as bytedance/seedream-5.0-pro.
• Reasoning-before-draw: model analyzes and plans output before generating — significantly better detail accuracy.
• Native 2K resolution: default output at 2048x2048 and 2048x1152, no upscaling.
• Layer editing: point/lasso/sketch controls with transparent PNG export per layer.
• Multilingual on-image text: accurate text rendering in 10+ languages directly in the image.
• Gateway benefits: unified cost tracking, automatic retries, failover, and performance optimizations.

Why it matters

Developers using Vercel AI SDK can add professional image generation (2K, layer editing) without managing an additional provider. Seedream 5.0 Pro is a relevant GPT-Image-2 rival for applications requiring precise editing and multilingual on-image text.

How to try it

In Vercel AI SDK: set model: "bytedance/seedream-5.0-pro" via the AI Gateway endpoint. Requires Vercel Pro or higher with AI Gateway access.