DeepSeek 是什么？
DeepSeek is a chat assistant and API from DeepSeek, known for strong reasoning models at low cost. Its free chat includes a reasoning mode, and its OpenAI-compatible API is popular with developers watching inference prices.
Compared with ChatGPT and Claude, DeepSeek is cheaper at the API level; compared with Qwen, it is another strong open-weight model family. The open weights can also be self-hosted.
核心功能
- Free chat with a reasoning mode
- Low-cost OpenAI-compatible API
- Open-weight models for self-hosting
- Long context support
- Web search in chat
如何使用 DeepSeek
- 1
Open the chat or API
Use the web app, or get an API key for programmatic access.
- 2
Ask or call the API
Pose a question, or send requests through the OpenAI-compatible endpoint.
- 3
Use reasoning for hard problems
Turn on reasoning mode for multi-step or tricky tasks.
DeepSeek 价格
| 套餐 | 价格 | 周期 |
|---|---|---|
| Free | $0 | chat |
| API | usage-based | verify — pay per token |
DeepSeek 适合谁？
- Developers wanting low-cost inference
- Users who want a free reasoning assistant
- Teams self-hosting open models
DeepSeek 替代品
查看全部 DeepSeek 替代品 →常见问题
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