DeepSeek

DeepSeek is a Chinese AI platform that develops frontier large language models for reasoning, coding, mathematics, writing, research, and software development. Its flagship models—including DeepSeek-R1 and the DeepSeek-V3/V4 family—are known for strong reasoning capabilities and competitive performance while maintaining low API costs. The platform provides a free AI chatbot, mobile apps, web search, document analysis, and developer APIs. Many DeepSeek models are released as open-weight models, allowing researchers and developers to run them locally. DeepSeek is officially available in most countries, including India, the United States, Europe, Australia, and many Asian countries. However, service availability may change depending on local regulations or sanctions, and some enterprise features vary by region.