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seedream-4.5 API pricing & access

seedream-4.5 API pricing: Dynamic usage-based pricing. seedream-4.5. Supports text, image input and image output. Listed specifications follow pu…

seedream-4.5 API access

seedream-4.5. Supports text, image input and image output. Listed specifications follow public vendor documentation. Available features and limits depend on the selected serving channel.

Compare supported API endpoints and capabilities, then access seedream-4.5 through the unified API gateway.

Category
image
Supported APIs
Image Generation API, OpenAI Chat Completions API
API endpoints
POST /v1/images/generations, POST /v1/chat/completions
Input modalities
text, image
Output modalities
image

seedream-4.5 API pricing

Billing model
Dynamic usage-based pricing

The final API price depends on the matched usage tier, request parameters and access group. Open the live pricing page for the current calculation.

About seedream-4.5

Seedream 4.5 is an existing image route for reference editing, subject consistency and image sets. Lifecycle notices for the exact official version make its current upstream mapping relevant.

Use fixed cases for the tasks described above. Integration follows the listed endpoint, selected route parameters and current group pricing; official capabilities do not establish acceptance for every channel. Compare seedream-5.0-pro.

Official reference 1 · Official reference 2, checked 2026-10-14.

Use cases and prompting

  1. Start with one image, then confirm whether the route supports image-set parameters.
  2. Define shared subjects and styles plus per-image differences; review consistency and required text.
  3. Validate sizes, reference counts and output counts for the exact version, retaining source assets and prompts.
  4. Check lifecycle for older versions and save all outputs, partial failures and usage for migration comparison.

API documentation.

How to call seedream-4.5

seedream-4.5 is served through tbuy's unified gateway. Existing OpenAI or Anthropic SDK code keeps working: point base_url at https://modelsok.com and use your tbuy API key.

curl (OpenAI-compatible)

curl https://modelsok.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "seedream-4.5", "messages": [{"role": "user", "content": "Hello"}]}'

Python (openai SDK)

from openai import OpenAI

client = OpenAI(base_url="https://modelsok.com/v1", api_key="YOUR_API_KEY")
response = client.chat.completions.create(
    model="seedream-4.5",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Frequently asked questions about seedream-4.5

What is seedream-4.5?

seedream-4.5. Supports text, image input and image output. Listed specifications follow public vendor documentation. Available features and limits depend on the selected serving channel.

How do I call seedream-4.5?

Create an API key with access to seedream-4.5, then use the exact model ID and a supported endpoint from the API access section. Request fields depend on the selected endpoint.

How is seedream-4.5 priced?

Pricing depends on the selected provider group and the model billing unit. Refer to the current input, output, request, or media prices in the pricing section.

How should I evaluate seedream-4.5 for my project?

Start with the use cases and prompting guidance on this page, then evaluate the model with representative inputs from your project.

Back to AI model API pricing