Reasoning Tools JSON Open weights

Hybrid-reasoning DeepSeek model with thinking and non-thinking modes

deepseek/deepseek-v3.1 2025-08-21 131.072K context $0.19/M input $0.71/M output
13 providers
Reasoning Tools JSON Open weights

May 2025 DeepSeek R1 update with improved mathematics, coding, and reasoning

deepseek/deepseek-r1-0528 2025-05-28 163.84K context $0.2/M input $0.8/M output
10 providers
Tools JSON Open weights

March 2025 checkpoint of DeepSeek-V3 with improved reasoning and coding

deepseek/deepseek-v3-0324 2025-03-24 163.84K context $0.28/M input $1.14/M output
9 providers