Doubao

ByteDance's multimodal AI assistant for chat, images, and voice - China's most-used AI app.

Hand-reviewed by the Toolglade team·Updated Aug 2026

chatbots#llm#chatbot#bytedance

Free plan Claimed API Mobile app

Toolglade’s take

Doubao is a genuinely capable, low-cost multimodal assistant, but its consumer app and Chinese-language strengths are built for China's market. For developers, its Volcano Engine API is one of the cheapest ways to access strong LLMs.

About Doubao

Doubao is ByteDance's free multimodal AI assistant, offering text chat, image generation, and natural voice conversation. It is the most-used consumer AI app in China, powered by ByteDance's own Doubao models via Volcano Engine. Developers can also access those models through a low-cost, usage-based API.

Doubao (豆包) is a consumer AI assistant developed by ByteDance, the company behind TikTok and Douyin. Launched in August 2023, it grew into China's most popular AI chatbot, combining a mobile-first chat experience with strong voice conversation, built-in image generation, writing help, and study or English-learning support. It is powered by ByteDance's Doubao large models served through Volcano Engine (Volcengine). Doubao is free to use for consumers, with paid subscription tiers introduced in 2026 for heavier usage, plus a usage-based API for developers through Volcano Engine. Its API pricing is among the most aggressive in the industry, part of ByteDance's push to win developers on cost. The international counterpart of Doubao is offered under the name Cici (also referred to as Dola).

TL;DR

Doubao is ByteDance's consumer AI assistant, launched in August 2023 and now the most-used AI app in China. It offers free text chat, image generation, and natural voice conversation, powered by ByteDance's own Doubao models via Volcano Engine. Developers can also tap those models through a very low-cost, usage-based API.

Company overview

Doubao is developed by ByteDance, the Beijing-headquartered technology giant behind TikTok and its Chinese counterpart Douyin. ByteDance built Doubao on its in-house large models and serves them through its Volcano Engine (Volcengine) cloud platform, which reports processing well over 100 trillion tokens per day across its AI products.

Since launching in August 2023, Doubao has grown rapidly to become China's most popular AI chatbot, reaching tens of millions of monthly active users by late 2024 and hundreds of millions of users by 2026. ByteDance has used aggressive pricing to drive both consumer adoption and developer uptake of its models.

Product features

Doubao is a mobile-first multimodal assistant that supports text chat, image generation, and fluid voice conversation, alongside writing help, translation, and study or English-learning features. It accepts text, images, and voice as inputs and can return text and generated images.

For developers, ByteDance exposes the underlying Doubao models through Volcano Engine as a usage-based API, priced per million tokens across a range of model tiers from cheap Flash variants to higher-quality Pro models. There is no self-hosted or browser-extension option; the product is delivered via the app, web, and API.

Target market

Doubao primarily targets Chinese-speaking consumers who want a free, capable AI assistant for everyday questions, writing, images, and voice interaction, along with students and casual creators. On the developer side, it targets cost-sensitive builders in China who want access to strong LLMs at industry-low prices through Volcano Engine.

Buyer personas

End users

Chinese-speaking consumers, students, and creators who use Doubao for free chat, writing, translation, voice conversation, and image generation on mobile and web.

Buyers

For the API, technical decision-makers and developers at Chinese companies choosing a low-cost LLM provider; on the consumer side, individuals opting into paid subscription tiers for heavier usage.

Key influencers

Developers, AI enthusiasts, and product teams comparing Doubao against ChatGPT, DeepSeek, and other Chinese models on cost and capability.

Ideal customer profile

A Chinese-market consumer wanting a free, high-quality multimodal AI assistant, or a cost-conscious developer building AI features on ByteDance's Volcano Engine at very low per-token prices.

Funding & performance

Part of ByteDance

Pros & cons

Pros

Completely free for core consumer use
Strong multimodal support (text, image, voice)
Excellent voice conversation experience
Backed by ByteDance's large-scale infrastructure
Among the cheapest LLM APIs for developers
Optimized for Chinese language and users

Cons

Primarily designed for the China market
Interface and content are Chinese-first
Limited official availability outside China (Cici is the international version)
No self-hosting option
No public team or enterprise collaboration features in the consumer app

Pricing plans

Free

$0 / month

AI chat and writing assistant
Voice conversation
Image generation
Mobile and web access

API

Usage-based

Doubao models via Volcano Engine
Priced per million tokens
Flash tiers from roughly $0.02 per million input tokens
Pro tiers for higher-quality output

Key features

API

Mobile app

Multi-language

Input types

text, image, voice

Output types

text, image

Best For

Chinese-language AI chat, Voice conversation, Image generation, Low-cost API access

Compare key features

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Feature

Doubao

Qwen

Kimi

Pricing

Freemium

Free plan

Yes

Free trial

Yes

API

Yes

Self-hosted

Yes

Frequently asked questions

Is Doubao free?+

Yes. Doubao's core consumer app is free to use for chat, voice, and image generation. ByteDance introduced optional paid subscription tiers in 2026 for heavier usage, and developers pay usage-based fees for the API.

How does Doubao compare to ChatGPT and DeepSeek?+

Doubao is ByteDance's China-focused multimodal assistant, strongest in Chinese-language chat, voice, and images. ChatGPT has broader global reach and English strength, while DeepSeek is known for strong open reasoning models. Doubao stands out for its huge Chinese user base and very low API pricing.

Is Doubao available outside China?+

Doubao itself is aimed at the Chinese market. ByteDance offers an international counterpart called Cici (also referred to as Dola) for users outside China, which is a separate app.

How much does the Doubao API cost?+

Doubao models are available through ByteDance's Volcano Engine on a usage-based, per-million-token basis. Cheaper Flash tiers start at roughly $0.02 per million input tokens, with higher-quality Pro tiers costing more. Pricing is among the most competitive in the industry.

Who makes Doubao?+

Doubao is developed by ByteDance, the Beijing-based technology company that also owns TikTok and Douyin. It is powered by ByteDance's Doubao large models, served through its Volcano Engine (Volcengine) cloud platform.