DeepSeek / deepseek-v3.1
Models
| Model | Size | Context Length | Input Modalities |
|---|---|---|---|
| deepseek-v3.1-671b | 671B | 160K | Text |
DeepSeek-V3.1-Terminus: Advanced Hybrid Reasoning Model
DeepSeek-V3.1-Terminus represents a significant evolution in the DeepSeek model family, offering a hybrid architecture that supports both thinking mode and non-thinking mode. This 671B parameter model combines advanced reasoning capabilities with efficient performance, making it ideal for complex agentic tasks and sophisticated applications.
Key Features
- Hybrid Thinking Modes: Supports both thinking mode (with chain-of-thought reasoning) and non-thinking mode through configurable chat templates
- Enhanced Language Consistency: Improved handling of language mixing with fewer Chinese/English mix-ups and no random character generation
- Advanced Agent Capabilities: Stronger performance in Code Agent and Search Agent tasks
- Optimized Tool Calling: Significantly improved tool usage and agent task performance through post-training optimization
- Efficient Thinking: Achieves comparable answer quality to DeepSeek-R1-0528 with faster response times
- Large Context Window: 160K token context for processing complex documents and multi-step tasks
- Scalable Architecture: 671B parameter model optimized for cloud deployment
Model Variants
| Name | Size | Context | Input Modalities | Description |
|---|---|---|---|---|
| deepseek-v3.1-671b | 671B | 160K | Text | Hybrid reasoning model |
Technical Capabilities
Hybrid Reasoning System
DeepSeek-V3.1-Terminus offers unique flexibility:
- Thinking Mode: Enables chain-of-thought reasoning for complex problem solving
- Non-Thinking Mode: Provides direct, efficient responses for simpler queries
- Dynamic Switching: Mode selection through chat template configuration
- Efficient Reasoning: Comparable quality to DeepSeek-R1 with improved speed
Agentic Intelligence
- Code Agent: Enhanced performance for software development tasks
- Search Agent: Improved information retrieval and synthesis
- Tool Integration: Advanced tool calling capabilities through post-training optimization
- Multi-Step Planning: Effective handling of complex, long-horizon tasks
Language Processing
- Improved Consistency: Reduced language mixing and random character generation
- Multilingual Support: Comprehensive language understanding and generation
- Contextual Understanding: Advanced comprehension of nuanced language and context
Performance Improvements
DeepSeek-V3.1-Terminus introduces several key improvements over previous versions:
| Feature | Improvement Description | Impact |
|---|---|---|
| Language Consistency | Fewer CN/EN mix-ups, no random characters | More professional outputs |
| Agent Performance | Stronger Code Agent & Search Agent capabilities | Better real-world task completion |
| Tool Calling | Post-training optimization | More reliable tool integration |
| Thinking Efficiency | Comparable quality to R1 with faster responses | Improved user experience |
| Hybrid Mode Support | Single model for both thinking and non-thinking | Greater deployment flexibility |
Use Cases
Advanced Reasoning Applications
- Complex Problem Solving: Mathematical proofs, scientific research, and technical analysis
- Decision Support: Data-driven recommendations for business and research
- Research Assistance: Literature review, hypothesis generation, and analysis
- Strategic Planning: Multi-step scenario analysis and planning
Agentic Workflows
- Automated Software Development: End-to-end code generation and testing
- Intelligent Search Agents: Advanced information retrieval and synthesis
- Enterprise Automation: Complex business process automation
- Research Agents: Automated data collection and analysis
Content Creation
- Technical Documentation: Generation of high-quality technical content
- Multilingual Content: Translation and localization services
- Report Generation: Automated creation of business and research reports
- Educational Content: Interactive learning materials and tutorials
Getting Started
DeepSeek-V3.1 model is available through various API providers. For more information:
- API Documentation: DeepSeek-V3.1 API Guide
- Model Information: DeepSeek-V3.1 Technical Report
- Community: Join the DeepSeek community for support and use case sharing
- Playground: Test DeepSeek-V3.1 capabilities in the interactive playground
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