> ## Documentation Index > Fetch the complete documentation index at: https://docs.siray.ai/llms.txt > Use this file to discover all available pages before exploring further. # DeepSeek V3.1 Terminus > DeepSeek AI's V3.1 Terminus is a flagship Hybrid MoE LLM with 128K context, optimized for superior agentic workflows, reliable tool use, and robust code generation. ### Model Use Cases DeepSeek V3.1 further improves reasoning accuracy and coding capabilities. Better handles complex logic and mathematics, supports basic image understanding combined with text output, and optimizes memory usage for deployment settings. ### Key Features * **Basic Vision Understanding:** Rudimentary image description and visual Q\&A for simple scenes (early multimodal) * **Mathematical Excellence:** Enhanced problem-solving with formal verification—85%+ accuracy on MATH benchmark * **Memory Efficiency:** Optimized architecture runs on single A100/H100 without distributed infrastructure * **Research Bridge:** Exploration platform for studying cross-modal reasoning and vision-language integration