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Model Services/ByteDance/Seed 2.1 Pro
bytedance

Seed 2.1 Pro

Active

Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents

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Input, output, and cached rates with source and verification time, plus same-workload cost examples.
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Input / 1M tokens
$0.89
Output / 1M tokens
$4.45
Record updated 2026-10-06
Modality:LLM
Context:256,000 tokens
Release:Jun 23, 2026
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Pricing

Platform
Scope
Input
Output
Details
Official
Standard
$0.89
$4.45
256k context · 256k max output

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Latest changes

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⚡Seed 2.1 Pro Comparisons & Scenario Guides

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❓Seed 2.1 Pro Frequently Asked Questions

How much does Seed 2.1 Pro cost per 1M tokens?▼

Seed 2.1 Pro is priced at $0.89 per 1M input tokens and $4.45 per 1M output tokens, with cached input at $0.18/1M on official. Check provider terms before deployment.

What is the context window for Seed 2.1 Pro?▼

Seed 2.1 Pro supports up to 256,000 tokens context with a max completion limit of 256,000 tokens.

What are cost-saving alternatives to Seed 2.1 Pro?▼

ModelPriceLab automatically calculates cheaper alternatives in the same model class, showing monthly spend differences and migration guides.

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