DeepSeek
Open-weight reasoning and chat models from DeepSeek
Introduction
DeepSeek offers a free chat app and low-cost API with strong reasoning and coding ability. Its open weights make it popular for self-hosting and research.
- Added on
- Oct 30, 2026
- Website
- www.deepseek.com
- Pricing model
- Freemium
- Company
- DeepSeek
Product information
What is DeepSeek?
DeepSeek develops open-weight language and reasoning models, offered via a chat app and API. It is used by developers, researchers and general users interested in capable open models.
How to use DeepSeek?
Use the web or mobile chat by signing in and entering a prompt. Developers can access the models through the API or download open weights.
Core features of DeepSeek
- Open-weight models
- Reasoning-focused models
- Chat interface
- Coding assistance
- API access
Use cases of DeepSeek
- 1Answering questions
- 2Code generation
- 3Math and reasoning tasks
- 4Self-hosted deployments
- 5Research experiments
Frequently asked questions about DeepSeek
What is DeepSeek?+
A developer of open-weight chat and reasoning AI models.
Who is it for?+
Developers, researchers and users wanting open models or a free chat assistant.
Is it free?+
The chat app is generally free to use, while API access is usage-priced.
Which category is DeepSeek in?+
DeepSeek is listed under Chatbots, Coding, AI Assistants.