DeepSeek

by DeepSeek

Strong reasoning models with a free chat app and cheap API.

Free + Paid
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Full review in the AI Tools DirectoryOur editors' full DeepSeek review and category ranking live on the AI Tools page.

What is DeepSeek?

DeepSeek is a Chinese AI lab whose chat app and models drew global attention for matching much larger rivals on maths and coding at a fraction of the price. The chat app is free, the API is priced per token, and several models are released with open weights you can run yourself.

Main use cases

  • Step-by-step maths and logic problems
  • Coding help and debugging
  • Low-cost API for your own apps
  • Running open-weight models locally

Key features

  • Reasoning mode that shows its working
  • Free web and mobile chat
  • Low per-token API pricing
  • Open-weight model releases

Pricing

DeepSeek has a free plan, with paid plans that add more usage or features. Listed pricing: Free app · API priced per token.

Prices change often, so check the official site before you buy.

Best for

Budget-conscious builders and anyone who wants strong free reasoning.

Tags

  • Reasoning
  • Open weights
  • API
  • Low cost

Bundles it's in

Compare DeepSeek

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DeepSeek FAQ

What is DeepSeek?

DeepSeek is a Chinese AI lab whose chat app and models drew global attention for matching much larger rivals on maths and coding at a fraction of the price. The chat app is free, the API is priced per token, and several models are released with open weights you can run yourself.

Is DeepSeek free?

DeepSeek has a free plan, with paid plans that add more usage or features. Listed pricing: Free app · API priced per token. Prices change often, so check the official site before you buy.

Who is DeepSeek best for?

Budget-conscious builders and anyone who wants strong free reasoning.

What can you use DeepSeek for?

Common uses: step-by-step maths and logic problems, coding help and debugging, low-cost api for your own apps and running open-weight models locally.

What are the best alternatives to DeepSeek?

Popular alternatives include ChatGPT, Claude, Gemini and Microsoft Copilot. See the full shortlist on our AI Chatbots & Assistants page.

AltFTool is not affiliated with DeepSeek. This summary was written by our editors from the tool's public information. Browse all AI bundles