DeepSeek - Open Source Reasoning AI
China's most powerful open-source AI with advanced reasoning at near-zero cost
What is Deepseek?
DeepSeek is a Chinese AI research lab's open-source language model that shocked the AI world with performance rivaling GPT-4 at a fraction of the cost. DeepSeek R1 and V3 models offer state-of-the-art reasoning, mathematics, and coding capabilities. The models are open-source under MIT license, deployable locally, and available via an API at extremely low pricing. Particularly strong for STEM tasks, complex reasoning chains, and code generation.
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Key Features of Deepseek
- DeepSeek R1 reasoning model (chain-of-thought)
- DeepSeek V3 for general tasks
- Open source MIT license
- Local deployment support
- Extremely low API pricing
- Strong math and STEM performance
- 128K context window
- Code generation and debugging
- Mixture-of-Experts architecture
- Multilingual support
Who Should Use Deepseek?
Solve complex math and reasoning problems
Generate and debug code
Build AI apps with cheap API
Deploy locally for privacy
Research and academic writing
Analyze data with chain-of-thought reasoning
Deepseek: Pros & Cons
✓Pros
- Extremely cost-effective API pricing
- Open source and locally deployable
- Excellent reasoning capabilities
- Rivals GPT-4 on many benchmarks
- Free to use via web
✕Cons
- Possible data privacy concerns (Chinese company)
- Less polished UI than ChatGPT
- Limited multimodal support
- Slower during peak hours
Frequently Asked Questions about Deepseek
What is DeepSeek and how does it work?
DeepSeek is an open-source reasoning AI from China that rivals GPT-4 on math and coding benchmarks — available free on the web and at extremely low API pricing for developers.
How much does DeepSeek cost?
DeepSeek chat is free at chat.deepseek.com. The API costs $0.14 per million input tokens and $0.28 per million output tokens (DeepSeek V3) ‚ among the cheapest frontier model APIs available.
Video
Tags
Tool Details
- Company
- DeepSeek
- Pricing
- Free
- Languages
- English,Chinese,French,Spanish,Japanese,German,Korean,Russian
- Category
- Ai Writing
- Added
- Jun 2026
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