DeepSeek's chat model, strong at reasoning, for Chinese writing and questions
FreeAccessible in China
Overview
- Purpose
- DeepSeek's chat model, strong at reasoning, for Chinese writing and questions
- Category
- Writing
- Pricing
- Web chat is free; API usage is billed by volume Third-party source (opens in a new tab)
- China access
- Directly accessible in mainland ChinaChecked 2026-10-27
- Chinese interface
- Supports Chinese
- Developer
- DeepSeek
- Official site
- https://chat.deepseek.com (opens in a new tab)
Main features
- Chat on web and app; the home page highlights DeepThink and Smart Search
- The current chat model is DeepSeek V4.1 Flash
- Desktop app DeepSeek Harness
- API platform billed by usage, with web search and page fetching supported
Best for
Suited to Chinese Q&A and writing that need reasoning, such as working through problems, structuring ideas and checking logic. Developers can connect the model to their own apps through the API, priced by usage.
Things to know
- Directly accessible in mainland China; sign in with a phone verification code, password, Apple or WeChat QR code
- Signing in with a new phone number creates an account automatically
FAQ
- Is the web version paid?
- Web chat is free; the API is billed by usage.
- How does DeepSeek differ from other Chinese assistants?
- The home page highlights deep thinking and smart search and does not list features such as slides or image generation; for those, consider Doubao or Kimi.