← Back to models

DeepSeek-V3.1-Terminus

DeepSeek AI (China) September 22 2025

Parameters

671B / 37B (MoE)

License

MIT

Key Features

Update to V3.1; improved language consistency (fewer CN/EN mix-ups); enhanced Code/Search Agent performance; hybrid modes for reasoning (up to 64K tokens); stronger benchmarks in agentic tasks (e.g., SimpleQA: 96.8).