All Models

Seed 2.1 Pro

seed Reasoning Tool Calling Attachments

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

Providers 1
Released Jun 23, 2026
Input Modalities text, image, video
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Ofox volcengine/doubao-seed-2.1-pro $0.71/MTok $3.54/MTok 256K 256K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output