What is Doubao?
Doubao is the AI assistant and underlying model family from ByteDance, the company behind TikTok and Douyin. It is one of the most used assistants in China, offering chat, voice, and image features in a polished consumer app.
For developers, the Doubao models are served through ByteDance's Volcano Engine (Volcengine) cloud, which made headlines for aggressive, very low per-token pricing. The models are multimodal and tuned for high-volume consumer and business use.
Doubao is worth knowing as a high-scale, low-cost option in the Chinese market. For sensitive or regulated data outside China, account for the governance implications of a China-based hosted service.
What it's best for
- High-volume, cost-sensitive workloads where the low per-token price drives the architecture.
- Chinese-language consumer and business applications at scale.
- Multimodal tasks: image understanding, voice interaction, and generation within ByteDance's tools.
- Products already built on or integrating with the Volcano Engine cloud.
Where it falls short
- Sensitive or regulated non-Chinese data on the hosted service, which runs on China-based infrastructure.
- Topics subject to Chinese content restrictions, which the assistant may avoid or steer.
- Self-hosting: Doubao is offered as a hosted service rather than open weights, so you cannot run it entirely in your own environment.
- Teams needing English-first polish and Western enterprise support.
Ways in
Use the Doubao app and website for the consumer assistant, including chat, voice, and image features. For building, the models are available through ByteDance's Volcano Engine cloud and API.
Choose the model size and modality on Volcano Engine that fits your workload and budget.
Getting better answers
Prompt in Chinese for the strongest results, and lean on the multimodal features (voice and image) where they fit the task.
Because Doubao is a hosted service, confirm the data-handling terms before sending confidential inputs, especially from outside China.
What Doubao costs
Approximate, in USD, as of January 2026. Prices change often. Confirm on the official site before you rely on them.
Assistant app
$0
Free consumer assistant from ByteDance, subject to limits.
Volcano Engine API
Very low, usage-based
Among the cheapest per-token pricing in the Chinese market; varies by model.
Enterprise
Custom
Volume and enterprise terms through Volcano Engine.
Example prompts
Copy these into Doubao as starting points, then adapt them to your task.
Classify each message below into one of these categories: {categories}. Return only valid JSON, one object per message, with the message id and the chosen category.Write three short, friendly product descriptions in Chinese for this item, each under 50 characters, for a mobile shopping feed.
Respond to this spoken request in a natural, conversational Chinese suitable for text-to-speech. Keep it short and clear.
We are considering Doubao via Volcano Engine for a high-volume feature. List the data-governance questions to resolve before sending user data to a China-based hosted service.
Doubao
common questions.
Direct answers to the questions we get asked the most. If yours isn't covered, write to the team.