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DeepSeek
Free AI chatbot known for strong reasoning at low cost.
Free
💬 Chatbots & assistants
🔒 deepseek.com
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Best for
Free step-by-step reasoning
Math and logic problems
Trying a capable model at no cost
Key features
- Deep reasoning mode for step-by-step problem solving
- Free to use with generous limits
- Open-weight models available for developers
Pros & cons
Pros
+ Surprisingly capable for a free, open model
Cons
− Data handling policies draw scrutiny in some regions
Model, app or both?
Model and app
The company builds its own AI model and the app you use it in.
🖥️Works on its ownOpen it as its own website or app. Nothing else needed.
What’s the difference? Read AI explained