DeepSeek
DeepSeek offers its intelligent models via web, mobile app, and API; the official site shows free access on the Chat side, and the official DeepSeek-V4-Pro release is now out.
About DeepSeek
DeepSeek offers three ways to use its intelligent models: web Chat, a mobile app, and an API. Everyday users can chat with the model on the web or on their phone, while developers can build applications on the latest DeepSeek models. According to the official product update notes, the official DeepSeek-V4-Pro release significantly enhances agent capabilities and supports the Responses API and Codex integration; this version is fully available on web, mobile, and API. The official Chat page shows that DeepSeek can be accessed for free, while specific API pricing is not published on the official website — please refer to the latest official information before use.
Best for
Best use cases
Chatting with DeepSeek directly on the web or mobile for Q&A
Developers integrating DeepSeek models into their own apps via API
Development scenarios requiring agent capabilities or Codex integration
Features
Web & Mobile Chat
Use DeepSeek intelligent models on the web and mobile app.
API Access
Build applications on the latest DeepSeek models, with support for the Responses API and Codex integration.
Enhanced Agent Capabilities
According to the official product update notes, DeepSeek-V4-Pro significantly enhances agent capabilities.
Pros
- The official site shows DeepSeek is free to access on the Chat side
- The official DeepSeek-V4-Pro release is out, with significantly enhanced agent capabilities according to the official site
- Offers three ways to use it: web, mobile app, and API