How much does Doubao Seed 1.8 cost?

Doubao Seed 1.8 is billed pay-as-you-go at $0.36 per 1M input tokens and $3.48 per 1M output tokens. There is no subscription — you only pay for what you use.

What can Doubao Seed 1.8 do?

Doubao Seed 1.8 is Bytedance's chat model, accessible through the Api.Airforce API.

Is Doubao Seed 1.8 free to use?

Doubao Seed 1.8 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Doubao Seed 1.8 via the API?

Doubao Seed 1.8 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID doubao-seed-1-8-251228 with your Api.Airforce API key.

Who makes Doubao Seed 1.8?

Doubao Seed 1.8 is Bytedance's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

BytedancePaidOperational

Doubao Seed 1.8

API model name: doubao-seed-1-8-251228

Doubao Seed 1.8 is Bytedance's chat model, served on the Api.Airforce unified API. It is priced at $0.36 per million input tokens and $3.48 per million output tokens. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$0.36

Output / 1M tokens

$3.48

Cache read / 1M tokens

$0.06

Specifications

Provider: Bytedance
Type: chat model

What is Doubao Seed 1.8 used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.

Doubao Seed 1.8 vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Doubao Seed 1.8	—	—	$0.36	$3.48
Doubao Seed 1.6	—	—	$0.33	$3.42
Doubao Seed 1.6 Thinking	—	—	$0.33	$3.42
Doubao Seed 1.6 Thinking	—	—	$0.33	$3.42

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Doubao Seed 1.8 — frequently asked questions

How much does Doubao Seed 1.8 cost?: Doubao Seed 1.8 is billed pay-as-you-go at $0.36 per 1M input tokens and $3.48 per 1M output tokens. There is no subscription — you only pay for what you use.
What can Doubao Seed 1.8 do?: Doubao Seed 1.8 is Bytedance's chat model, accessible through the Api.Airforce API.
Is Doubao Seed 1.8 free to use?: Doubao Seed 1.8 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Doubao Seed 1.8 via the API?: Doubao Seed 1.8 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID doubao-seed-1-8-251228 with your Api.Airforce API key.
Who makes Doubao Seed 1.8?: Doubao Seed 1.8 is Bytedance's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Doubao Seed 1.8 via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass doubao-seed-1-8-251228 as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seed-1-8-251228",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="doubao-seed-1-8-251228",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "doubao-seed-1-8-251228",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);