Atlas / Open-weight and challenger labs / Doubao · Seed

Doubao · Seed

AI Market Atlas · by Pro Pluribus

ByteDance · China

Industry leader Open-weight and challenger labsupdated 10 Nov 2026

China's #1 consumer chatbot. Flagship models stay closed.

What it offers

Main offerings

Doubao: Consumer assistant.

Seed 2.1: Closed flagship model (June). Small Seed-OSS models are open.

Seedance 2: Leading video model.

Seedream 5.5: Image model with steadier multi-round editing (9 Nov); Pro version to follow.

Volcano Engine / BytePlus: Model APIs for businesses.

Recent news

9 Nov 2026ByteDance Seed introduces Seedream 5.5 image model, with a Pro version to followNext-generation ByteDance image model with steadier multi-round editing.ByteDance Seed ↗
May 2026Doubao app reaches 330 million usersChina's leading consumer AI chatbot, the distribution base for ByteDance's Seed modelsWikipedia ↗
15 Feb 2026ByteDance unveils Doubao Seed 2.0 for complex real-world tasksFour tiers built for large-scale production, the base of ByteDance's 2026 AI pushCaixin Global ↗

This map is a by-product of the work. Keeping track of what each of these actually does, and which ones are worth your time, is part of how I advise founder-led companies on AI. If you want that applied to your business, the first conversation is free.

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Compiled from public sources by Pro Pluribus; updated 10 Nov 2026. General information, not advice. Company names and logos belong to their owners and are used to identify them, without affiliation or endorsement. Terms