DeepSeek

New

Open-weight AI chatbot with powerful reasoning at low cost

4.3
AI Chatbots
Last verified: July 1, 2026
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About DeepSeek

DeepSeek is an AI chatbot from the DeepSeek AI lab, known for its strong reasoning models (DeepSeek-R1) that rival top Western models at a fraction of the cost. It offers free web access and extremely cheap API pricing, making it popular with developers and cost-conscious users. Its open-weight models can also be self-hosted, giving teams full control over deployment and privacy.

Pricing

Starting price

Free (API usage-based)

Pricing model

Freemium / Usage-based

Free tier

Free web chat

Key features

  • DeepSeek-R1 reasoning model
  • Open-weight, self-hostable models
  • Free web access
  • Very low API pricing
  • Strong coding assistance
  • Advanced math and logic reasoning

Pros

  • Free to use with no message caps
  • Excellent reasoning at very low cost
  • Open-weight and self-hostable
  • Strong at math and coding

Cons

  • Data hosted in China raises privacy concerns
  • Content moderation on some topics
  • Smaller ecosystem than ChatGPT

Best for

Reasoning and problem solving
Coding assistance
Cost-sensitive API projects
Math and STEM help
Self-hosted AI deployments

Sponsored placement available

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