DeepSeek V4 Features: Everything You Need to Know
Overview
DeepSeek V4 comes packed with features that make it one of the most capable AI models available - and it's completely free. Let's dive into everything DeepSeek V4 can do.
Key Features
1. 128K Context Window
DeepSeek V4 can process up to 128,000 tokens in a single conversation - equivalent to roughly 300 pages of text or a full codebase.
Use cases:
- Analyze entire research papers
- Process complete codebases
- Maintain long conversations without forgetting context
2. Advanced Mathematical Reasoning (92% MATH Score)
DeepSeek V4 sets benchmarks in mathematical problem-solving:
- Algebra: From basic to advanced
- Calculus: Differentiation, integration, limits
- Statistics: Probability, distributions, hypothesis testing
- Proofs: Step-by-step mathematical proofs
3. Superior Coding Capabilities (90% HumanEval)
Supports 50+ programming languages:
- Python, JavaScript, TypeScript
- Java, C++, C#, Go, Rust
- SQL, HTML/CSS, React
- And many more...
Coding features:
- Complete function generation
- Bug detection and fixing
- Code explanation
- Unit test generation
- Refactoring suggestions
4. Multi-Language Support
Native support for 50+ languages including:
- English (excellent)
- Chinese (excellent)
- Japanese, Korean
- Spanish, French, German
- And more...
5. Chain-of-Thought Reasoning
DeepSeek V4 can show its reasoning process step-by-step, making it excellent for:
- Complex problem solving
- Educational explanations
- Debugging logic issues
6. Free API Access
Developers get:
- Free tier with generous limits
- OpenAI-compatible API
- Python and JavaScript SDKs
- Streaming support
Feature Comparison Table
| Feature | DeepSeek V4 | GPT-4 | Claude Opus |
|---|
| Context Window | 128K | 128K | 200K |
| Math Score | 92% | 88% | 89% |
| Coding Score | 90% | 87% | 92% |
| Languages | 50+ | 50+ | 50+ |
| Price | Free | $20/mo | $20/mo |
| API Free Tier | Yes | No | No |
How to Access All Features
- 1.Chat Interface: NoteLM.ai/free-deepseek-v4/chat
- 2.Coding Assistant: NoteLM.ai/free-deepseek-v4/coding
- 3.Math Solver: NoteLM.ai/free-deepseek-v4/math
- 4.API Access: NoteLM.ai/free-deepseek-v4/api
DeepSeek V4's feature set rivals or exceeds paid alternatives while remaining completely free. Whether you need coding help, math solving, or general AI assistance, DeepSeek V4 delivers.
Try all features free → Get Started