
DeepSeek-V3.1-Terminus is the most recent refinement of the DeepSeek family — a hybrid, agent-oriented large language model (LLM) that DeepSeek positions as a

DeepSeek-V3.1 is a hybrid “thinking / non-thinking” MoE language model (671B total, ≈37B activated per token) that can be run locally if you use the right

DeepSeek-V3.1 is a hybrid Mixture-of-Experts (MoE) chat model released by DeepSeek in August 2025 that supports two inference modes — a fast “non-thinking”

DeepSeek V3.1 is the newest upgrade in DeepSeek’s V-series: a hybrid “thinking / non-thinking” large language model aimed at high-throughput, low-cost general intelligence and agentic tool use. It keeps OpenAI-style API compatibility, adds smarter tool-calling, and—per the company—lands faster generation and improved agent reliability.

DeepSeek-V3.1 is the latest hybrid reasoning model from DeepSeek that supports both a fast “non-thinking” chat mode and a more deliberate “thinking/reasoner”

On August 2025, Chinese AI startup DeepSeek announced the release of DeepSeek-V3.1, a mid-generation upgrade the company bills as its first step “toward the