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FAMILY / BYTEDANCE SEED

Seed

ByteDance’s multimodal foundation and agent line behind Doubao and production services.

First model
2025
Models
4
Latest
Seed2.1

01 / LINEAGE MAP

Model lineage

predecessor derived from

02 / GENERATIONS

What changed

01

Seed1.6

Introduced adaptive reasoning on a 230B MoE foundation unifying text and vision.

02

Seed1.8

A general agent model for search, code, GUI interaction, and complex workflows.

03

Seed2.0

Systematically improved multimodal understanding, foundation reasoning, and production agent performance.

04

Seed2.1

The current Seed line, improving long-running general agents, end-to-end coding, and scientific workflows.