What is DeepSeek, and how does DeepSeek compare to other LLM providers (OpenAI, Anthropic, Baidu) across price, context window, and API features?
DeepSeek is a Chinese AI company and product suite that builds large language and multimodal models (notably DeepSeek‑V3.2, available for free trial) and operates a public chat/app and API; note that its global chatbot experienced a major multi‑hour outage on 30 March 2026, which briefly affected reliability.

