Available Models
| Model | Type | Strengths | Plan Required |
|---|---|---|---|
| DeepSeek Chat | Text | Strong general chat and instruction-following, efficient | Pro+ |
| DeepSeek Reasoner | Text | Extended step-by-step reasoning for math, logic, and complex problems | Pro+ (Premium) |
| DeepSeek Coder | Text | Specialized code generation, debugging, and technical problem-solving | Pro+ |
Strengths
Coding excellence: DeepSeek Coder is purpose-built for code generation and has benchmarked highly against other coding-focused models. It handles a wide range of languages, frameworks, and complex programming tasks. Mathematical reasoning: DeepSeek Reasoner uses an extended thinking approach (chain-of-thought reasoning) that makes it particularly effective for math problems, proofs, algorithms, and logic puzzles where showing work matters. Cost-effectiveness: DeepSeek models offer strong performance at competitive efficiency, making them a good choice for technical users who need strong coding and math capability. Chinese language support: As a Chinese AI lab, DeepSeek models have strong Chinese language understanding alongside their technical strengths.Extended Thinking (Reasoner)
DeepSeek Reasoner supports extended thinking — a mode where the model works through problems step-by-step before producing an answer. This is particularly effective for:- Complex multi-step math problems
- Formal logic and proofs
- Algorithm design
- Problems where the answer process matters as much as the result
Best Use Cases
Complex coding tasks
Code generation, debugging, refactoring, code review, and architecture design across many languages.
Mathematics
Algebra, calculus, statistics, proofs, and numerical problem-solving. DeepSeek Reasoner excels here.
Logic and algorithms
Algorithm design, logical reasoning, puzzles, and step-by-step problem decomposition.
Technical analysis
Data analysis, scientific computing, and quantitative tasks that blend code and math.
Choosing a DeepSeek Model
| If you need… | Use… |
|---|---|
| Best coding performance | DeepSeek Coder |
| Complex math or logic with reasoning steps | DeepSeek Reasoner |
| General chat with technical strength | DeepSeek Chat |
DeepSeek models are developed by a Chinese AI research company. For users with data residency requirements, review the Data & Compliance page for information on how ZeroTwo handles API calls to different providers.