How much does Seed 2.1 Turbo cost?

Seed 2.1 Turbo is billed pay-as-you-go at $0.55 per 1M input tokens and $2.75 per 1M output tokens. There is no subscription — you only pay for what you use.

What can Seed 2.1 Turbo do?

Seed 2.1 Turbo supports Vision, Tool calling.

Is Seed 2.1 Turbo free to use?

Seed 2.1 Turbo is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Seed 2.1 Turbo via the API?

Seed 2.1 Turbo is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID seed-2-1-turbo with your Api.Airforce API key.

Who makes Seed 2.1 Turbo?

Seed 2.1 Turbo is ByteDance's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

ByteDancePaidOperational

Seed 2.1 Turbo

API model name: seed-2-1-turbo

Seed 2.1 Turbo is ByteDance's chat model, served on the Api.Airforce unified API. Capabilities include Vision, Tool calling. It is priced at $0.55 per million input tokens and $2.75 per million output tokens. That is below the provider's $0.50 official input rate. 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

$0.55

Output / 1M tokens

$2.75

Official input rate

$0.50

Official output rate

$2.50

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: ByteDance
Type: chat model

Capabilities

VisionTool calling

What is Seed 2.1 Turbo used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Image understanding — analyze photos, screenshots, charts and scanned documents.
Agents & automation — function calling and tool use for multi-step workflows.

Seed 2.1 Turbo vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Seed 2.1 Turbo	—	—	$0.55	$2.75
Doubao 1.5 Pro 32K	—	—	$0.12	$0.29
Doubao 1.5 Vision Pro 32K	—	—	$0.12	$0.29
Doubao Vision Lite 32K	—	—	$0.19	$0.55

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

Seed 2.1 Turbo — frequently asked questions

How much does Seed 2.1 Turbo cost?: Seed 2.1 Turbo is billed pay-as-you-go at $0.55 per 1M input tokens and $2.75 per 1M output tokens. There is no subscription — you only pay for what you use.
What can Seed 2.1 Turbo do?: Seed 2.1 Turbo supports Vision, Tool calling.
Is Seed 2.1 Turbo free to use?: Seed 2.1 Turbo is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Seed 2.1 Turbo via the API?: Seed 2.1 Turbo is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID seed-2-1-turbo with your Api.Airforce API key.
Who makes Seed 2.1 Turbo?: Seed 2.1 Turbo is ByteDance's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Seed 2.1 Turbo via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass seed-2-1-turbo as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seed-2-1-turbo",
    "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="seed-2-1-turbo",
    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: "seed-2-1-turbo",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);