DeepSeek
Free AI chat from China's DeepSeek, strong at maths and code.
- Pricing
- Free
- Category
- Chat assistants
- Facts checked
- 3 October 2026
Our verdict A capable free option, especially for maths and code.
Good
- Free chat
- Open models you can run yourself
Not so good
- Developer API is paid separately
What it can do
- Chat and reasoning
- Coding help
- Open model weights
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