Seedream 4.5 API
ByteDance's image generation model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | ByteDance |
| Type | image generation |
| Price | $0.054 per image |
| Model ID (use this in your request) | bytedance/seedream-4-5 |
How to call Seedream 4.5
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/images/generations \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "bytedance/seedream-4-5", "prompt": "a red panda reading a book", "size": "1024x1024"}'from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.images.generate(model="bytedance/seedream-4-5", prompt="a red panda reading a book", size="1024x1024")
print(r.data[0].url or r.data[0].b64_json[:60])Similar models — price comparison
| Model | Price |
|---|---|
| FLUX.2 Flex | $0.0405 per image |
| GPT Image 1.5 | $0.0459 per image |
| Flash Image 2.5 | $0.0527 per image |
| Dola Seedream 5.0 Pro | $0.0607 per image |
| Seedream 5.0 Pro | $0.0607 per image |
| GPT Image 2 | $0.0716 per image |
More models from ByteDance
| Model | Price |
|---|---|
| Ark Doubao Seed 2.0 Pro 260215 | $0.6307 per 1M input tokens · $3.15 per 1M output tokens |
| Dola Seed 2.0 Pro | $0.675 per 1M input tokens · $4.05 per 1M output tokens |
| Seed 2.0 Pro | $0.675 per 1M input tokens · $4.05 per 1M output tokens |
| Seedance 1.5 Pro | $0.0156 – $0.1575 per second |
| Seedance 2.0 | $0.0558 – $1.84 per second |
| Seedance 2.0 Fast | $0.0321 – $0.1225 per second |
| Seedance 2.0 Mini | $0.0272 – $0.1021 per second |
| Seedance 2.5 | $0.083 – $0.312 per second |
FAQ
How much does the Seedream 4.5 API cost?
On 666 AI, Seedream 4.5 costs $0.054 per image. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to bytedance/seedream-4-5.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.