Qwen2Open Weight

Qwen2 was released by Qwen on Thursday, Jun 6 2024.

Qwen2 was built by Qwen. Alibaba's AI lab, building the Qwen family. The most prolific publisher of open-weight models of any major lab, alongside a proprietary Max and Plus tier sold through Alibaba Cloud.

Qwen2 has a context window of 128k. That is the maximum amount of input plus output the model can hold in a single request.

Qwen2 is reported at 72B parameters.

Partly. Qwen2 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.

Qwen's previous tracked release was Qwen1.5 on Feb 4 2024, 123 days earlier. It was followed by Qwen2.5 on Sep 19 2024.