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DeepSeek by DeepSeek (Hangzhou)
Vendor: DeepSeek (Hangzhou) · Chinese Models · Updated 2026-08-30
Free web & app; pay-as-you-go API
CodingOpen SourceFully Free
DeepSeek is a leading Chinese AI lab whose model family is known for strong reasoning and coding, an open-weights strategy and extremely low API pricing. The web app and mobile apps are free to use; developers can call the API with pay-as-you-go billing. Widely used by developers worldwide as an open alternative to closed models.
Key features
- Deep Thinking (reasoning) mode
- Code generation and analysis
- Web search and file parsing
- Open-weight models and low-cost API
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FAQ about DeepSeek
What is DeepSeek's official website?
The official site is https://chat.deepseek.com/ (verified 2026-08-30). Bookmark this page for quick access.
Is DeepSeek free?
Free web & app; pay-as-you-go API. Web and app are fully free.
Who makes DeepSeek?
DeepSeek is built by DeepSeek (Hangzhou), a leading Chinese AI company.