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DeepSeek
Description
A chatbot from DeepSeek, a Chinese company based in Hangzhou. It answers questions, writes and edits text, solves math and programming problems and understands images. There is a reasoning mode in which the model spends longer on a problem, and there is web search. It runs in the browser at chat.deepseek.com and in mobile apps. You can sign in with email, Google or Apple. DeepSeek's models are open-weight, so you can download them and run them yourself. Developers can use the API.
Pros and cons
Pros
- The chat and the app are free; only the API is paid
- The models are open: you can download them and run them yourself
Cons
- User data is stored and processed in China
- The company may use your chats to train its models unless you opt out
Key facts
- Free access
- Yes Only the API is paid
- Pricing
- Pricing on the official site →
- Developer
- DeepSeek
- Interface languages
- English, Russian
- Checked on
- Oct 2, 2026
Editorial score
How strongly the AI Expertise editors recommend this tool for each of its categories right now, on a 0–10 scale. The score combines output quality, features, beginner friendliness and freshness.