# Doubao-Seed-2.1-Pro



ByteDance



Seed2.1 flagship; closed source; agent/coding/office oriented


## Availability

Doubao / Volcengine Ark API doubao-seed-2-1-pro-260628
- Released: Jun 23, 2026

## Sources

- Source: https://seed.bytedance.com/en/blog/seed2-1-officially-released-advancing-ai-productivity

Canonical entry: https://www.ailyre.com/source/?id=bytedance-doubao-seed-2-1-pro&lang=en