DeepSeek V2.5 (Revised)Open Weight

DeepSeek V2.5 (Revised) was released by DeepSeek on Tuesday, Dec 10 2024.

DeepSeek V2.5 (Revised) was built by DeepSeek. Chinese AI lab known for efficient, open-weight models. Gained attention for strong performance at lower cost.

Partly. DeepSeek V2.5 (Revised) is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.

DeepSeek's previous tracked release was DeepSeek-R1-Lite Preview on Nov 20 2024, 20 days earlier. It was followed by DeepSeek V3 Base on Dec 25 2024.