How much does Seed 2.1 Turbo cost?

Seed 2.1 Turbo costs $0.50 per million input tokens and $2.50 per million output tokens on standard pricing. A workload of 20M input and 5M output tokens a month is about $23.

What is the context length of Seed 2.1 Turbo?

Seed 2.1 Turbo accepts up to 262,144 tokens (262K) of input and can return up to 235,929 tokens in one response.

Does Seed 2.1 Turbo support tool calling and structured outputs?

Yes, Seed 2.1 Turbo supports function/tool calling and structured (JSON) outputs. Supported tools: Function calling, Structured outputs, JSON mode, Reasoning.

What inputs and outputs does Seed 2.1 Turbo support?

Seed 2.1 Turbo accepts Text, Image, Video as input and produces Text as output.

When was Seed 2.1 Turbo released?

Seed 2.1 Turbo was released by ByteDance Seed in 2026-08-12.

Seed 2.1 Turbo

seed-2-1-turbo

API Provider site

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and... Built by ByteDance Seed.

Prices updated recently

Input price

$0.50

per 1M tokens · Standard

Output price

$2.50

per 1M tokens · Standard

Input limit

262K

tokens

Output limit

236K

tokens

Input formats

TextImageVideoAudioPDF

Output formats

TextImageVideoAudioPDF

Compare

Seed 2.1 Turbo price history

2 price records since 9/25/2026

Seed 2.1 Turbo cost calculator

Input20M tokens

Output5M tokens

$23/month

Standard pricing

Overview

What is Seed 2.1 Turbo?

Seed 2.1 Turbo is a text & reasoning and vision model from ByteDance Seed. Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and... Its 262K context window and $0.50 input price make it a candidate for quality-focused production applications.

Image understandingDocument analysisContent workflowsClassification

Rates

Seed 2.1 Turbo pricing

Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.

Input · Standard

$0.50

Per 1M tokens

Cached input · Standard

Not available

No listed cached-input rate

Capabilities

Seed 2.1 Turbo Tools

Tools available when using Seed 2.1 Turbo through supported provider APIs.

Function calling

Supported

Structured outputs

Supported

JSON mode

Supported

Reasoning

Supported

Built-in web search

Not supported

Log probabilities

Not supported

Deterministic seed

Not supported

Parallel tool calls

Not supported

Prompt caching

Not supported

Strengths and limitations

Strengths

Priced at $0.50 input and $2.50 output per million tokens.
262K context supports large documents, repositories and extended conversations.
Supports text & reasoning and vision workloads in one model.

Limitations

Generated tokens cost 5× more than input tokens, which matters for verbose responses.
Large context capacity does not guarantee consistent retrieval across the entire prompt.
Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.

Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.

Same provider