OpenRouter: Seed 2.1 Turbo (OpenRouter)

stable

Seed 2.1 Turbo (OpenRouter) is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

bytedance-seed-seed-2-1-turboseedreleased Aug 12, 2026

Provider Quick start

Context

262.1K

tokens

Max output

235.9K

tokens

Input

$0.50

per 1M

Output

$2.50

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

OpenRouter

262.1K$0.50$2.50

Pricing

Item	Price	Unit
Input	$0.50	per 1M tokens
Output	$2.50	per 1M tokens

Performance

Reliability

Compare

Compare usage and performance

Place this model beside up to three other catalog models.

Capabilities

Modalities

Input

Output

Details

Model ID: bytedance-seed-seed-2-1-turbo
Family: seed
Status: stable
Knowledge: -
Released: Aug 12, 2026

Gateway Config

API: 2024-01-01
Auth: OPENROUTER_API_KEY
Discovery: dynamic
Provider type: meta

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@openrouter/bytedance-seed-seed-2-1-turbo",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://openrouter.ai/api/v1

Chat completions

https://openrouter.ai/api/v1/chat/completions

Model

bytedance-seed-seed-2-1-turbo

Auth env

OPENROUTER_API_KEY

Seed 2.1 Turbo (OpenRouter) FAQ

How much does the Seed 2.1 Turbo (OpenRouter) API cost?

Through OpenRouter, Seed 2.1 Turbo (OpenRouter) costs $0.50 per 1M input tokens and $2.50 per 1M output tokens.

What is the context window of Seed 2.1 Turbo (OpenRouter)?

Seed 2.1 Turbo (OpenRouter) accepts up to 262.1K tokens of context and returns up to 235.9K output tokens on OpenRouter.

What can Seed 2.1 Turbo (OpenRouter) do?

Seed 2.1 Turbo (OpenRouter) supports chat, function calling, image input and reasoning. It accepts text, image and video input.

How do I call Seed 2.1 Turbo (OpenRouter) through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @openrouter/bytedance-seed-seed-2-1-turbo. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.