Seed1.5（Doubao-1.5-pro）

Seed1.5 demonstrates superior performance in knowledge, code generation, and reasoning tasks.

Capabilities

Reasoning & Interaction
Reasoning
Infrastructure
Streaming

Details

Model IDseed1.5-doubao-1.5-pro
Provider ByteDance Seed
Creator bytedance
Family—
License—
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window—
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date—
Sourceofficial

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://console.volcengine.com/ark/v1/chat/completions

API

GET/v1/models/bytedance/seed1.5-doubao-1.5-pro

Seed1.5（Doubao-1.5-pro）

seed1.5-doubao-1.5-pro

Seed1.5 demonstrates superior performance in knowledge, code generation, and reasoning tasks.

Changes · 2 entries
seed1.5-doubao-1.5-procreateca7a400Nov 2, 2026, 03:02 AM
seed1.5-doubao-1.5-procreate08f0ffeMay 11, 2026, 08:27 AM