DeepSeek

DeepSeek's free AI assistant with strong reasoning and coding capabilities, available on the web and mobile.

FreeWeb · iOS · Android · API

Visit chat.deepseek.com(opens in a new tab)

What it does

DeepSeek is an AI tool for chatting with an AI assistant, writing code with AI and using LLM APIs. It is free to use.

DeepSeek is an AI assistant from the Chinese AI research lab of the same name. It provides access to DeepSeek's models, including versions optimised for deep reasoning and long-context tasks. The chat interface is free to use; an API is available for developers on a usage-based model. DeepSeek is operated by a Chinese company and its service is subject to Chinese law; data may be stored and processed in China. It is available as a web app and mobile app.

  • Extended chain-of-thought reasoning mode
  • Code generation and debugging
  • File and document uploads
  • Long context window
  • Usage-based API for developers

Key facts

This listing is queued to be checked against chat.deepseek.com.
PricingFree
Free planYes
PlatformsWeb, iOS, Android, API
APIYes
MakerDeepSeek, Hangzhou

What you can do with it

Chatting with an AI assistant#3 of 26Writing code with AI#5 of 21Using LLM APIs#7 of 11

Good at

  • Free chat tier with no daily message cap for basic use
  • Reasoning mode shows step-by-step thinking
  • Strong performance on coding tasks

Watch out for

  • Subject to Chinese data laws, which may concern users handling sensitive content
  • No built-in web search in the standard chat interface

Common questions

What is DeepSeek used for?
DeepSeek is used for chatting with an AI assistant, writing code with AI and using LLM APIs. On AIToolMaps it ranks #3 of 26 for chatting with an AI assistant.
Is DeepSeek free?
Yes. DeepSeek is free to use.
What platforms does DeepSeek run on?
DeepSeek runs on Web, iOS, Android and API.
Does DeepSeek have an API?
Yes. DeepSeek offers an API, so developers can use it from their own code.
What are the best alternatives to DeepSeek?
The closest alternatives are ChatGPT, Claude and Qwen Chat, which do most of the same jobs. ChatGPT is the closest one with a free plan.

Reviews

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Listing history

  1. Oct 19, 2026Listed