DeepSeek
New
Open-weight AI chatbot with powerful reasoning at low cost
4.3
AI Chatbots
Last verified: July 1, 2026About 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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