DeepSeek-V3.1 Release
Introducing DeepSeek-V3.1: our first step toward the agent era! 🚀
🧠 Hybrid inference: Think & Non-Think — one model, two modes
⚡️ Faster thinking: DeepSeek-V3.1-Think reaches answers in less time vs. DeepSeek-R1-0528
🛠️ Stronger agent skills: Post-training boosts tool use and multi-step agent tasks
Try it now — toggle Think/Non-Think via the "DeepThink" button: https://chat.deepseek.com/
🔹 deepseek-chat → non-thinking mode
🔹 deepseek-reasoner → thinking mode
🧵 128K context for both
🔌 Anthropic API format supported: https://api-docs.deepseek.com/guides/anthropic_api
✅ Strict Function Calling supported in Beta API: https://api-docs.deepseek.com/guides/function_calling
🚀 More API resources, smoother API experience
📈 Better results on SWE / Terminal-Bench
🔍 Stronger multi-step reasoning for complex search tasks
⚡️ Big gains in thinking efficiency
🔹 V3.1 Base: 840B tokens continued pretraining for long context extension on top of V3
🔹 Tokenizer & chat template updated — new tokenizer config: https://huggingface.co/deepseek-ai/DeepSeek-V3.1/blob/main/tokenizer_config.json
🔗 V3.1 Base Open-source weights: https://huggingface.co/deepseek-ai/DeepSeek-V3.1-Base
🔗 V3.1 Open-source weights: https://huggingface.co/deepseek-ai/DeepSeek-V3.1