---
title: "Seedream API — All variants, pricing, code samples | RunAPI"
url: "https://runapi.ai/models/seedream.md"
canonical: "https://runapi.ai/models/seedream.md"
locale: "en"
model: "Seedream"
provider: "Bytedance"
modality: "image"
variant_count: 4
price_from_cents: 6
---

# Seedream

Text-to-image and image editing with strong typography rendering, up to 4K resolution.

**Provider:** Bytedance
**Modality:** Image
**Catalog:** 4 variants

Seedream is Bytedance's image generation and editing model with strong typography rendering and up to 4K output resolution. It supports text-to-image and image-to-image workflows with fine-grained style control.

## Variants

| Version | Variant | Pricing | Billing | URL |
|---|---|---|---|---|
| seedream-4.5-edit | `4.5-edit` | $0.070 | call | https://runapi.ai/models/seedream/4.5-edit.md |
| seedream-4.5-text-to-image | `4.5-text-to-image` | $0.070 | call | https://runapi.ai/models/seedream/4.5-text-to-image.md |
| seedream-5-lite-image-to-image | `5-lite-image-to-image` | $0.060 | call | https://runapi.ai/models/seedream/5-lite-image-to-image.md |
| seedream-5-lite-text-to-image | `5-lite-text-to-image` | $0.060 | call | https://runapi.ai/models/seedream/5-lite-text-to-image.md |


## Install

```sh
npm install @runapi.ai/seedream
# or
gem install runapi-seedream
```

## Quickstart

```sh
curl -X POST https://runapi.ai/api/v1/seedream/edit_image \
  -H "Authorization: Bearer $RUNAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "seedream-4.5-edit", "prompt": "..." }'
```

## Context

Seedream is Bytedance's image model from the Seed team, optimized for typography and style control. Through RunAPI, all Seedream variants share one key and unified billing.

## FAQ

### Which variant should I start with?

Pick the cheapest variant that meets your quality bar. Most teams start on the fast variant and graduate to pro for production.

### Is there a free tier?

New accounts get free first calls on every model. After that, pay per call.

### Do you stream results?

Where streaming is available, RunAPI streams end-to-end.

### How are failures billed?

Failed generations are not charged.

### Are outputs cached?

Generated outputs are stored and retrievable by task ID. Inputs are not cached.

### Can I use commercially?

Yes — commercial use is included for every variant unless a model license explicitly restricts it, which is called out on the variant page.

### What about rate limits?

Per-key rate limits scale with usage tier. See pricing page for current limits.

### Where can I report issues?

Open an issue on the public GitHub repo or email support.