DeepSeek-V3.1

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About this model

DeepSeek-V3.1 is a hybrid model that supports both thinking mode and non-thinking mode. Through post-training optimization, the model's performance in tool usage and agent tasks has significantly improved. DeepSeek-V3.1-Think achieves comparable answer quality to DeepSeek-R1-0528, while responding more quickly.

Key model capabilities

• Hybrid thinking mode: One model supports both thinking mode and non-thinking mode by changing the chat template.
• Smarter tool calling: Through post-training optimization, the model's performance in tool usage and agent tasks has significantly improved.
• Higher thinking efficiency: DeepSeek-V3.1-Think achieves comparable answer quality to DeepSeek-R1-0528, while responding more quickly.