DeepSeek

DeepSeek is an AI assistant that answers questions, writes code, and solves math problems. You chat with it in a browser at chat.deepseek.com or in its phone app. The chat is free, but you must sign up first with an email address, phone number, or Google account. There is no guest mode. Its models are also released with open weights, so developers can download and run them. It suits students, developers, and curious minds. Check the official site for current features and limits.

Key Features

1. Free Chat With an Account — Sign up with an email address, phone number, or Google account, then chat for free. There is no paid consumer plan to upgrade to.

2. Deep Thinking Mode — Deep thinking mode shows step-by-step reasoning on hard problems. It helps with math, logic, and multi-step coding tasks.

3. Web Search — A built-in search tool finds current facts on the web. Ask about news or recent events and get answers with fresh data.

4. File Uploads — Upload documents and images for DeepSeek to read. It can summarize papers or explain charts you share with it.

5. Strong Coding and Math — DeepSeek handles coding, math, and logic problems well. Many developers use it to debug code and work through equations.

6. Open Model Weights — DeepSeek releases its models with open weights. Developers can download, study, and run them on their own systems.

7. Paid API for Developers — Developers can call DeepSeek from their own apps through its API. API use is billed per token on the developer platform.

Frequently Asked Questions (FAQ)

Do I need an account to use DeepSeek? — Yes. You must sign up with an email address, phone number, or Google account before your first chat. There is no guest mode.

Is DeepSeek really free? — The chat is free after sign-up, with no paid consumer plan. The developer API is separate and paid, billed per token used.

What is DeepSeek best at? — DeepSeek shines at coding, math, and step-by-step reasoning. It also handles everyday questions and writing tasks well.

Are DeepSeek's models open? — Yes, in the weights sense: DeepSeek releases its models with open weights. Developers can download and run them on their own hardware.

Does DeepSeek search the web? — Yes. Its built-in search finds current information online, so answers about news and recent events stay fresh.

Can I use DeepSeek in my own app? — Yes, through the DeepSeek API on the developer platform. You need an API key, and calls are billed per token.

Conclusion

DeepSeek gives you a strong AI assistant for free once you sign up, with no paid plan pushing you to upgrade. Its reasoning strength, web search, and file uploads cover daily and technical work well. Developers get open weights and a paid API on top. It suits students, developers, and anyone who wants capable AI without a subscription.