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ByteDance

Operates Volcengine (方舟) and Doubao. Seedance 2.5 video model leads in 30s single-shot narrative generation.

Operates Volcengine (方舟) and Doubao. Seedance 2.5 video model leads in 30s single-shot narrative generation.

Founded 2012
Beijing, China
www.volcengine.com

ByteDance History Timeline(15)

2026-10-14
launch

Doubao Work launches data import and sync, supports migration from ChatGPT, Claude Code, Trae

ByteDance's Doubao Work desktop client announced on October 14 a data import and sync feature that supports one-click migration of task preferences, skills, connectors, working memory, projects and conversations from ChatGPT, Claude Code and ByteDance's own Trae Work; imported conversations preserve their original context.

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2026-10-14
policy

Doubao phone assistant ends SAEP review, ~151 third-party apps refuse integration

ByteDance's Doubao phone assistant announced on October 14 the end of its 30-day SAEP review and will gradually open screen-automation permissions; rejected apps will not be touched. The rejection list covers Alibaba ecosystem (Taobao, Alipay, Amap, DingTalk, Quark), Tencent ecosystem (WeChat, WeCom, QQ, Yuanbao, Tencent Video), Meituan, Zhihu, Xiaohongshu, Kuaishou, NetEase Cloud Music, WPS, Baidu Maps, China Merchants Bank, the three major Chinese carriers, DeepSeek, Kimi and Pinduoduo, around 151 apps in total.

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2026-10-13
organization

ByteDance Seed establishes Seed Model-Alignment & Preparedness first-tier unit

ByteDance's Seed team on October 13 announced via internal email the new first-tier Seed Model-Alignment & Preparedness unit, led by Yan Lin reporting to Wu Yonghui, focused on agent model safety and CBRN risk mitigation.

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2026-09-16
launch

Doubao-Seed-2.1-pro-0915 launches

Multimodal coding boosted; 500+ sub-agents close 83% of 1000 Luanti issues in 36 hours; image/video token use down 30%.

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2026-09-16
launch

Nubia NaviX Ultra launches with consumer Doubao phone assistant

Second-gen Doubao phone, from 5999 yuan, system-level Doubao assistant with 80%+ end-to-end task success.

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2026-09-14
launch

ByteDance launches Doubao phone assistant consumer edition; Nubia NaviX Ultra ships September 16

Doubao phone assistant consumer edition supports AI-key fingerprint auth, screen-aware Q&A, local search, and Feishu meeting-notes integration; first shipping device Nubia NaviX Ultra goes on sale September 16 with 316k+ JD pre-orders

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2026-09-09
launch

Upgraded Doubao Seed-Evolving model

Unified Model ID doubao-seed-evolving, with strengthened long-horizon agent execution, multimodal understanding, and deep research. Doubao Seed 2.1 also launches Pro and Turbo variants.

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2026-09-09
launch

Doubao AI-agent phone received MIIT approval

The Nubia NaviX Ultra powered by Doubao assistant will launch September 16 with 512GB storage as standard. Uses standardized MCP and A2A protocols, runs core AI models on-device, with more than ten partner platforms integrated.

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2026-08-25
launch

Doubao Work launches with deep Feishu integration

Agent product for productivity. Supports collaborative editing of docs/spreadsheets/PPTs/web. Can operate browser and computer; cloud PC for long-running tasks. First domestic dual-certified office agent.

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2026-08-25
organization

First agent launched after Feishu product team merged into Doubao

Doubao Work is the first agent launched since the late-July organizational restructuring merged Feishu product into Doubao.

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2026-08-24
market

TRAE and Coze merged into Doubao

TRAE and Coze merged into Doubao

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2026-08-22
launch

ByteDance Doubao to launch standalone office app next week to rival WorkBuddy

Split from the Work Task mode inside Doubao App. The past week saw mobile PC remote control, Windows Virtual Desktop, Skill Store and connectors. ByteDance completed the Feishu-Doubao team merger on July 30 and at the Aug 6 mid-year all-hands named Doubao the AI backbone business.

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2026-08-15
market

ByteDance establishes AI Data & Safety first-level department

AI Data & Safety first-level department established August 15, led by Wang Yinglei. Sits parallel to Seed, Flow, Douyin. Consolidates 1,000+ data team. Same-day reports of Seed team discussing a 5T+ parameter model.

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2026-08-08
launch

ByteDance pre-training 10 trillion parameter AI model

On August 7, the FT reported ByteDance is pre-training a 10T parameter model led by Xiang Liang and Shen Ke. Zhang Yiming opposes distillation.

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2026-08-07
research

ByteDance reportedly training 10-trillion-parameter AI model

On August 7, the Financial Times reported ByteDance is training a 10-trillion-parameter AI model currently in early pretraining, expected to take 3-6 months.

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