Qwen1.5Open Weight

Qwen1.5 is an AI model released by Qwen on Sunday, Feb 4 2024, 66 days after Qwen-72B. It is an open-weight model — the trained weights are available to download and run. It is a 72B parameter model with a 32k token context window.

Qwen1.5 — frequently asked questions

When was Qwen1.5 released?
Qwen1.5 was released by Qwen on Sunday, Feb 4 2024.
Who made Qwen1.5?
Qwen1.5 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.
What is the context window of Qwen1.5?
Qwen1.5 has a context window of 32k. That is the maximum amount of input plus output the model can hold in a single request.
How many parameters does Qwen1.5 have?
Qwen1.5 is reported at 72B parameters.
Is Qwen1.5 open source?
Partly. Qwen1.5 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.
What came before and after Qwen1.5?
Qwen's previous tracked release was Qwen-72B on Nov 30 2023, 66 days earlier. It was followed by Qwen2 on Jun 6 2024.

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