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Seed 2.1 Turbo

by Bytedance Seed
bytedance-seed/seed-2-1-turbo

Seed 2.1 Turbo is a text and image and video-input model by Bytedance Seed, available through the AgentSky API as bytedance-seed/seed-2-1-turbo at $0.58025 per million input tokens and $2.90125 per million output tokens, with a 262K context window.

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows.

Repo

Pricing

USD per million tokens, using your plan when signed in.
MeterPer 1M tokens
InputPrice: $0.58025
OutputPrice: $2.90125
Cache readPrice: $0.58025
Cache writePrice: $0.58025

Every response carries its own cost. Balance and per-call records: /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "bytedance-seed/seed-2-1-turbo",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions