ByteDance
Canonical page on the main site: sinoaihub.com/companies/bytedance
Type
company
Definition
ByteDance is a Chinese AI company (also 字节跳动, Doubao) developing 3 foundation models and operating the Ark API.
Key facts
- Headquarters: No. 1 Building, Dazhongsi Plaza, No. 18A North Third Ring Road West, Haidian District, Beijing, China
- Funding: Privately held; funding rounds not officially disclosed as of 2026-09-22.
- Foundation models: Doubao Seed 2.1 Pro, Doubao Seed Evolving, Doubao Seed 2.1 Turbo
- Agents: Doubao
- API: Ark API
- Open-source: 2 projects
Aliases
- 字节跳动
- Doubao
- 豆包
Headquarters
No. 1 Building, Dazhongsi Plaza, No. 18A North Third Ring Road West, Haidian District, Beijing, China
Funding
Privately held; funding rounds not officially disclosed as of 2026-09-22.
Ai Products
- Doubao (consumer AI assistant)
- Volcengine Ark (AI API platform)
- Seedance (video generation)
- Seedream (image generation)
Foundation Models
Cloud Distribution
- Volcengine Ark (cn-beijing)
Agents
API
Major Releases
| name | date | type |
|---|---|---|
| Doubao Seed 2.1 family | 2026-06-23 | model_release |
| Doubao Seed 2.1 Pro with 1M context (260915) | 2026-09 | model_release |
| Doubao Seed Evolving (rolling weekly-updated model) | 2026-06 | model_release |
Timeline
| date | event | type | source | verification_date |
|---|---|---|---|---|
| 2026-06-23 | Doubao Seed 2.1 family release | model_release | https://seed.bytedance.com/en/blog/seed2-1-officially-released-advancing-ai-productivity | 2026-09-20 |
| 2026-06 | Doubao Seed Evolving launch (rolling weekly-updated model) | model_release | https://docs.volcengine.com/docs/ark/model-release-announcement | 2026-09-20 |
| 2026-09 | Doubao Seed 2.1 Pro with 1M context (260915) | model_release | https://docs.volcengine.com/docs/ark/model-release-announcement | 2026-09-20 |
Open Source Projects
- VeOmni (ByteDance-Seed, scaling multimodal model training)
- Triton-distributed (ByteDance-Seed)
Official Documentation
https://docs.volcengine.com/docs/ark
Official Website
https://www.bytedance.com/
Verification Status
verified
Last Verified
2026-09-20
Sources
| evidence_id | source_name | source_url | source_type | published | verified | confidence | conflict |
|---|---|---|---|---|---|---|---|
| src-companies-bytedance-1 | Ark (Volcengine) official documentation | https://docs.volcengine.com/docs/ark/product-overview?lang=zh | Official documentation | — | 2026-09-20 | high | — |
| src-companies-bytedance-2 | Ark official model list | https://docs.volcengine.com/docs/ark/model-list?lang=zh | Official documentation | — | 2026-09-20 | high | — |
| src-companies-bytedance-3 | Ark model release announcements | https://docs.volcengine.com/docs/ark/model-release-announcement | Official documentation | — | 2026-09-20 | high | — |
| src-companies-bytedance-4 | ByteDance Seed official blog — Seed 2.1 release | https://seed.bytedance.com/en/blog/seed2-1-officially-released-advancing-ai-productivity | Official | 2026-06-23 | 2026-09-20 | high | — |
| src-companies-bytedance-5 | ByteDance Seed GitHub organization | https://github.com/ByteDance-Seed | Official documentation | — | 2026-09-20 | high | — |